Add ci to make sure codegenned files.json is committed up to date

Author: maxkorp

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

@@ -0,0 +1,25 @@
+name: Check Generated Files
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  check-files-json:
+    name: Check files.json
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Regenerate files.json
+        working-directory: typescript-sdk/apps/dojo
+        run: npm run generate-content-json
+
+      - name: Check files.json
+        working-directory: typescript-sdk/apps/dojo
+        run: git diff --exit-code files.json
+
+