Updated markdown lint configuration. Added composer diff action.

.github/workflows/composer_diff.yaml

@@ -0,0 +1,29 @@
+name: Composer Diff
+
+on: [ push, pull_request ]
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+
+        steps:
+            -   name: Checkout code
+                uses: actions/checkout@v4
+                with:
+                    fetch-depth: 0
+
+            -   name: Generate composer diff
+                id: composer_diff
+                uses: IonBazan/composer-diff-action@v1
+
+            -   uses: marocchino/sticky-pull-request-comment@v2
+                if: ${{ steps.composer_diff.outputs.composer_diff_exit_code != 0 }}
+                with:
+                    header: composer-diff
+                    message: |
+                        <details>
+                        <summary>Composer package changes</summary>
+                        
+                        ${{ steps.composer_diff.outputs.composer_diff }}
+                        
+                        </details>

.markdownlint-cli2.yaml

@@ -1,5 +1,6 @@
 config:
-    line-length: false
+    line-length:
+        code_blocks: false
 
 globs:
     - "*.md"

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## [Unreleased]
 
+- Updated markdown lint configuration.
+- Added composer diff action.
+
 ## [2.20.13] - 2024-06-16
 
 - Added markdown configuration file.