added CHANGELOG.md with the latest few versions (#23)

CHANGELOG.md

@@ -0,0 +1,110 @@
+# CHANGELOG
+
+## Version 0.8.0
+
+### Important Changes:
+
+- Added an [initializer_example.rb](https://github.com/ddnexus/pagy/blob/master/lib/pagy/extras/initializer_example.rb) that you can use as an easy template for pagy configuration
+- Integrated extras from `pagy-extras` gem into pagy, now optionally required in the initializer
+- Refactored I18n: simpler code and simpler configuration now based on the `I18n` extra
+- Reorganized documentation and added a few more how-to topics
+- Added the `:page_param` variable used to get the page number from and create the URL for the page links
+
+
+### Breaking changes:
+
+- Extras are now integrated in pagy. The `pagy-extras` gem has been discontinued: you should remove it and update your code as indicated [here](https://github.com/ddnexus/pagy-extras)
+- Pagy I18n has been refactored and it's simpler to use. The main change is that the `Pagy::I18N[:gem]` variable has been removed, so if you want to use the `I18n` gem in place of the internal pagy implementation you need just to `require 'pagy/extra/i18n'` in your initializer. (see https://ddnexus.github.io/pagy/api/frontend.md#i18n)
+- `pagy_url_for` now requires the page_param argument and is called with 2 params: if you have overridden it, you should add the extra param.
+- `pagy_get_vars` now requires the vars argument and is called with 2 params: if you have overridden it, you should add the extra param.
+- `pagy_array_get_vars` now requires the vars argument and is called with 2 params: if you have overridden it, you should add the extra param.
+- 
+### Commits
+
+- 08c9b91 implemented :page_param (#20)
+- 1cf935c added doc about skipping single pages navs
+- 26fdae4 added initializer_example.rb
+- daa2c1b I18n refactoring:
+  - simplified the pagy_t definition
+  - simplified the configuration of I18n now using the I18n extra to override the pagy_t
+  - modules are now required and not autoloaded - updated doc
+- 9b0d420 style cleanup (#24)
+- dbc5a05 Add prev/next links to compact Bootstrap nav and improve HTML semantics (#21)
+- f764cc1 refactoring extras:
+  - moved pagy-extra files into the extras dir
+  - moved the templates dir into the extras dir
+  - updated the documentation
+
+## Version 0.7.2
+
+### Commits
+
+- 527cd8e simplification of pagy_url_for
+- 144c997 URIs are always joined with forward slash (#11)
+
+## Version 0.7.1
+
+### Commits
+
+- 92260b5 docs and comments refactoring, also updated for pagy-extras v0.2.0
+- 46f235e Remove a couple of Range allocations (#10)
+- 39c5470 Only use and/or keywords for control flow (#12)
+- 26bb29c fix for last page items adjusted to 0 (#3)
+- 860c579 small improvement: to_i called only once in core variables set
+- d6659ca version 0.7.1
+- b18f254 Merge pull request #5 from artinboghosian/patch-1
+- 03d6ee8 Update README.md
+- 358a806 a couple of links added to the doc
+- fac1f34 docs small fixes and improvements
+
+## Version 0.7.0
+
+### Commits
+
+- e480d04 better handling of blank core variables
+- 7504fe4 version 0.7.0
+- b56ef9e docs fixes and improvements
+- 987be15 I18N[:plurals] proc uses symbols and returns a frozen string
+- 6ea7a48 changes for PR #2: - use of local variable zero_one instead of constant I18N_PLURALS - VARS cannot be frozen
+- 64ddfd6 updated Gemfile.lock
+- 473cbb4 Merge pull request #2 from berniechiu/enhance/further-freezing-of-immutable-data
+- 75e9428 version 0.6.1
+- fb8975b Freeze class immutable constant variable at first
+
+## Version 0.6.0
+
+### Commits
+
+- ec8e268 created pagy-extras gem: - moved pagy_nav_bootstrap method and templates - updated docs files (fixes and use of relative links)
+- facc4c3 unescaped notation for all erb usage
+- 26c068f moved require yaml in Frontend
+- f5782d8 added css classes to pagy helper navs
+- cee02c6 helper tags are strings
+- 4788c3c grouped the variables :initial, :before, :after and :final into one single :size array; #series can work with different sizes
+- e610b82 minor docs fixes
+
+## Version 0.5.0
+
+### Commits
+
+- 695d76a Merge branch 'dev'
+- 0366669 hotfix for broken links
+- 486325a Merge branch 'dev'
+- 4a8354b edited README
+- 86a52d9 added documentation
+- 9c7d02e refactoring of pagy_info
+- 393d007 refactoring of Backend
+- 459e593 initial offset renamed to outset; fixed values of from and to
+- e03781e extracted series as a method
+- 39e6b04 all-caps constants (Vars > VARS; I18n > I18N)
+- 8498d0e I18n refactoring
+- ac3d184 added pagy_get_params to Frontend
+- c906def removed doc comments (to be moved in the doc)
+- 1a4ae91 refactoring of Frontend
+- 3dfb8f8 improved validation of core variables
+- f5a4105 Pagy::Vars is a simple hash
+- 0dd1fb7 renamed Opts > Vars, opts > vars
+- 509862d renamed limit > items
+- bb29f19 renamed nav templates; used if in place of case
+- fb84e82 minor comments fixes
+- e15ce0b added \  in prev and next buttons

pagy.gemspec

@@ -31,4 +31,11 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'memory_profiler'
   s.add_development_dependency 'rubocop', '~> 0.55.0' # needs to be fixed since it constantly adds new cops
 
+
+  s.post_install_message = <<END_OF_MESSAGE
+******************************************************************************
+   Pagy CHANGELOG: https://github.com/ddnexus/pagy/blob/master/CHANGELOG.md
+******************************************************************************
+END_OF_MESSAGE
+
 end