feat: include fix-permissions script in GitHub releases

- Add fix-permissions.sh to release assets
- Update release notes to mention the script for permission issues
- Provides workaround for Claude Desktop DXT extraction bug

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/release.yml

@@ -67,6 +67,13 @@ jobs:
           - **Windows ARM64**: flipside-remote-mcp-proxy-windows-arm64.dxt
           
           For platforms that don't support DXT files, tar.gz versions are also available.
+          
+          ## Installation Issues?
+          If you encounter permission errors after installing the DXT extension, download and run the **fix-permissions.sh** script:
+          ```bash
+          chmod +x fix-permissions.sh
+          ./fix-permissions.sh
+          ```
         draft: false
         prerelease: false
 
@@ -87,6 +94,11 @@ jobs:
             gh release upload v${{ steps.get_version.outputs.version }} "$file" --clobber
           fi
         done
+        
+        # Upload fix-permissions script
+        if [ -f "fix-permissions.sh" ]; then
+          gh release upload v${{ steps.get_version.outputs.version }} "fix-permissions.sh" --clobber
+        fi
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}