Update CI Pipeline Files from Latest Pattern

[PlagueHO]

Copy the latest patterns for the build.yml, build.ps1 and azure-pipelines.yml from the PR:
dsccommunity/ExchangeDsc#471

build.yml

####################################################
#      DscResource.DocGenerator Configuration      #
####################################################
DscResource.DocGenerator:
  Generate_Conceptual_Help:
    MarkdownCodeRegularExpression:
      - '\`(.+?)\`' # Match inline code-block
      - '\\(\\)' # Match escaped backslash
      - '\[[^\[]+\]\((.+?)\)' # Match markdown URL
      - '_(.+?)_' # Match Italic (underscore)
      - '\*\*(.+?)\*\*' # Match bold
      - '\*(.+?)\*' # Match Italic (asterisk)

  publish:
    - publish_module_to_gallery
    - Publish_Release_To_GitHub
    - Publish_GitHub_Wiki_Content
    - Create_ChangeLog_GitHub_PR

• Also add updated issue templates and related files:
• .github\ISSUE_TEMPLATE
• .github\CONTRIBUTING.md
• .github\PULL_REQUEST_TEMPLATE.md
• .github\ISSUE_TEMPLATE\General.md
• .github\ISSUE_TEMPLATE\Problem_with_resource.yml
• .github\ISSUE_TEMPLATE\Resource_proposal.yml
• .github\ISSUE_TEMPLATE\config.yml

Add SECURITY.md as well.