Better output

Author: maxkorp

.github/workflows/check-generated-files.yml

@@ -20,6 +20,17 @@ jobs:
 
       - name: Check files.json
         working-directory: typescript-sdk/apps/dojo
-        run: git diff --exit-code files.json
+        run: |
+          if git diff --exit-code files.json > /dev/null; then
+            echo "✅ No changes detected in files.json. Everything is up to date."
+          else
+            echo "❌ Detected changes in files.json."
+            echo "Please run \`(p)npm run generate-content-json\` in the typescript-sdk/apps/dojo folder and commit the changes."
+
+            echo "The detected diff was as follows:"
+
+            git diff files.json
+            exit 1
+          fi