Add changelog and acknowledgements to release notes

Co-authored-by: sensslen <3428860+sensslen@users.noreply.github.com>

Author: Copilot

.github/workflows/release.yml

@@ -53,6 +53,45 @@ jobs:
           zip -r ../cgf-propresenter-nurserymessages-${{ steps.version.outputs.full_without_prefix }}.zip .
           cd ..
       
+      - name: Generate changelog
+        id: changelog
+        run: |
+          # Get the previous tag
+          PREVIOUS_TAG=$(git tag --sort=-version:refname | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+' | head -2 | tail -1)
+          
+          if [ -z "$PREVIOUS_TAG" ]; then
+            echo "No previous tag found, using first commit"
+            PREVIOUS_TAG=$(git rev-list --max-parents=0 HEAD)
+          fi
+          
+          echo "Generating changelog from $PREVIOUS_TAG to ${{ github.ref_name }}"
+          
+          # Generate changelog with commit messages
+          CHANGELOG=$(git log $PREVIOUS_TAG..${{ github.ref_name }} --pretty=format:"- %s (%h)" --no-merges)
+          
+          # Save changelog to file and output
+          echo "$CHANGELOG" > changelog.txt
+          echo "changelog<<EOF" >> $GITHUB_OUTPUT
+          echo "$CHANGELOG" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+      
+      - name: Get contributors
+        id: contributors
+        run: |
+          # Get list of contributors for this release
+          PREVIOUS_TAG=$(git tag --sort=-version:refname | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+' | head -2 | tail -1)
+          
+          if [ -z "$PREVIOUS_TAG" ]; then
+            PREVIOUS_TAG=$(git rev-list --max-parents=0 HEAD)
+          fi
+          
+          # Get unique contributors
+          CONTRIBUTORS=$(git log $PREVIOUS_TAG..${{ github.ref_name }} --format="%aN" --no-merges | sort -u | sed 's/^/- @/' | sed 's/@copilot\[bot\]/@copilot/')
+          
+          echo "contributors<<EOF" >> $GITHUB_OUTPUT
+          echo "$CONTRIBUTORS" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+      
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2
         with:
@@ -70,6 +109,20 @@ jobs:
             4. Access the application in your browser
             
             See the [README](https://github.com/${{ github.repository }}/blob/${{ github.ref_name }}/README.md) for more details.
+            
+            ---
+            
+            ## Changelog
+            
+            ${{ steps.changelog.outputs.changelog }}
+            
+            ---
+            
+            ## Acknowledgements
+            
+            This release was made possible by the following contributors:
+            
+            ${{ steps.contributors.outputs.contributors }}
           draft: false
           prerelease: ${{ steps.version.outputs.is_stable != 'true' }}
           files: |