ci: Add github action to make sure changelog for @excalidraw/excalidraw is updated (#2518)

Add guidelines for changelog and group the commits
update the changelog with the latest commits since the last release
Co-authored-by: Lipis <lipiridis@gmail.com>

package.json

@@ -100,6 +100,7 @@
     "test:other": "npm run prettier -- --list-different",
     "test:typecheck": "tsc",
     "test:update": "npm run test:app -- --updateSnapshot --watchAll=false",
-    "test": "npm run test:app"
+    "test": "npm run test:app",
+    "changelog:check": "node ./scripts/changelog-check.js"
   }
 }