Add Github issue forms and densify some templates (#4742)

* Add links in .github/ISSUE_TEMPLATE/config.yml
* Start using github's form in issue template

Closes #4735

* More condensed pull request template
* Cleanup of .github/ISSUE_TEMPLATE/config.yml it's supposed to be contact links
* Add more emojies take setuptools example
* Make the configuration optional in the bug report template
* Add optional additional context in question/support

.github/ISSUE_TEMPLATE/BUG-REPORT.yml

@@ -0,0 +1,96 @@
+name: 🐛 Bug report
+description: Report a bug in pylint
+labels: [bug, needs triage]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        **Thank you for wanting to report a bug in pylint!**
+
+        ⚠ Please make sure that this [issue wasn't already requested][issue search], or already implemented in the main branch.
+
+
+        [issue search]: https://github.com/PyCQA/pylint/issues?q=is%3Aissue+is%3Aopen+
+
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: Bug description
+      description:
+        What is the bug about? Please provide the code that is causing the issue, and
+        configurations used if required
+      value: |
+        Given a file `a.py`:
+
+        ```python
+        # Please disable message unrelated to the bug
+        # pylint: disable=missing-docstring,
+        <a> = b + 1
+        ```
+    validations:
+      required: true
+  - type: textarea
+    id: configuration
+    attributes:
+      label: (Configuration)
+      description:
+        Please provide the part of the configuration that is causing the bug if required
+        (Leave this part blank if the configuration is not relevant)
+      value: |
+        Using the following configuration:
+        ```ini
+        ```
+    validations:
+      required: false
+  - type: textarea
+    id: current-behavior
+    attributes:
+      label: Command used
+      description: What is the command used and its actual output ?
+      value: |
+        Result of `pylint a.py`:
+        ```
+        ************* Module a
+        a.py:3:1: E0001: invalid syntax (<unknown>, line 1) (syntax-error)
+        ```
+    validations:
+      required: true
+  - type: textarea
+    id: future-behavior
+    attributes:
+      label: (Expected behavior)
+      description:
+        What would you expect instead ? For example expected output or behavior
+    validations:
+      required: false
+  - type: textarea
+    id: python-interpreter
+    attributes:
+      label: (Version affected)
+      description:
+        Please copy and paste the result of 'pylint --version' or specify the range of
+        version affected
+      placeholder: |
+        pylint 2.9.6
+        astroid 2.6.5
+        Python 3.8.10 (default, Jun  2 2021, 10:49:15)
+        [GCC 9.4.0]
+      render: shell
+  - type: textarea
+    attributes:
+      label: (OS / Environment)
+      description: >-
+        Provide all relevant information below, e.g. OS version, terminal etc.
+      placeholder: Fedora 33, Cygwin, etc.
+  - type: textarea
+    id: additional-deps
+    attributes:
+      label: (Additional dependencies)
+      description: If applicable ie, if we can't reproduce without it
+      placeholder: |
+        Additional dependencies:
+        ```
+        pandas==0.23.2
+        marshmallow==3.10.0
+        ...
+        ```

.github/ISSUE_TEMPLATE/FEATURE-REQUEST.yml

@@ -0,0 +1,45 @@
+name: ✨ Feature request
+description: Suggest an idea for pylint
+labels: [enhancement, needs triage]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        **Thank you for wanting to make a suggestion for pylint!**
+
+        ⚠ Please make sure that [this feature wasn't already requested][issue search] or already implemented in the main branch.
+
+
+        [issue search]: https://github.com/PyCQA/pylint/issues?q=is%3Aissue+is%3Aopen+
+
+  - type: textarea
+    id: current-problem
+    attributes:
+      label: Current problem
+      description:
+        What are you trying to do, that you are unable to achieve with pylint as it
+        currently stands?
+      placeholder: >-
+        I'm trying to do X and I'm missing feature Y for this to be easily achievable.
+    validations:
+      required: true
+  - type: textarea
+    id: proposed-solution
+    attributes:
+      label: Desired solution
+      description: A clear and concise description of what you want to happen.
+      placeholder: >-
+        When I do X, I want to achieve Y in a situation when Z.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: (Additional context)
+      description: >
+        Add any other context, links, etc. about the feature here. Describe how the
+        feature would be used, why it is needed and what it would solve.
+
+        **HINT:** You can paste https://gist.github.com links for larger files.
+      placeholder: >-
+        I asked on https://stackoverflow.com/... and the community advised me to do X, Y
+        and Z.

.github/ISSUE_TEMPLATE/QUESTION.yml

@@ -0,0 +1,49 @@
+name: 🤔 Support question
+description: Questions about pylint that are not covered in the documentation
+labels: [question, needs triage, documentation]
+body:
+  - type: markdown
+    attributes:
+      value: >
+        **Thank you for wanting to report a problem with pylint documentation!**
+
+
+        Please fill out your suggestions below. If the problem seems straightforward,
+        feel free to go ahead and submit a pull request instead!
+
+
+        ⚠ Verify first that your issue is not [already reported on GitHub][issue
+        search].
+
+        💬 If you are seeking community support, please consider [starting a discussion
+        on Discord][Discussions].
+
+
+        [issue search]: https://github.com/PyCQA/pylint/issues?q=is%3Aissue+is%3Aopen+
+
+        [Discussions]: https://discord.gg/Egy6P8AMB5
+
+  - type: textarea
+    id: question
+    attributes:
+      label: Question
+    validations:
+      required: true
+  - type: textarea
+    id: documentation
+    attributes:
+      label: Documentation for future user
+      description:
+        Where did you expect this information to be ? What do we need to add or what do
+        we need to reorganize ?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: (Additional context)
+      description: >
+        Add any other context, links, etc. about the question here.
+
+      placeholder: >-
+        I asked on https://stackoverflow.com/... and the community advised me to do X, Y
+        and Z.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: true
+contact_links:
+  - name: 💬 Discord
+    url: https://discord.gg/Egy6P8AMB5
+    about: Astroid and pylint informal dev discussion

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,22 +1,14 @@
 <!--
-
 Thank you for submitting a PR to pylint!
 
 To ease the process of reviewing your PR, do make sure to complete the following boxes.
 
-You can also read more about contributing to pylint in this document:
-https://github.com/PyCQA/pylint/blob/main/doc/development_guide/contribute.rst#repository
--->
-
-## Steps
-
 - [ ] Add yourself to CONTRIBUTORS if you are a new contributor.
 - [ ] Add a ChangeLog entry describing what your PR does.
-- [ ] If it's a new feature or an important bug fix, add a What's New entry in
+- [ ] If it's a new feature, or an important bug fix, add a What's New entry in
       `doc/whatsnew/<current release.rst>`.
 - [ ] Write a good description on what the PR does.
-
-## Description
+-->
 
 ## Type of Changes
 
@@ -29,11 +21,11 @@ https://github.com/PyCQA/pylint/blob/main/doc/development_guide/contribute.rst#r
 | ✓   | :hammer: Refactoring   |
 | ✓   | :scroll: Docs          |
 
-## Related Issue
+## Description
 
 <!--
 If this PR fixes a particular issue, use the following to automatically close that issue
 once this PR gets merged:
+-->
 
 Closes #XXX
--->

ChangeLog

@@ -18,6 +18,7 @@ Release date: TBA
   Put bug fixes that should not wait for a new minor version here
 
 
+
 What's New in Pylint 2.9.5?
 ===========================
 Release date: 2021-07-21