Admin mode. Data driven content sections. Bugfixes.

package.json

@@ -18,7 +18,8 @@
     "@angular/platform-browser": "^21.2.0",
     "@angular/router": "^21.2.0",
     "rxjs": "~7.8.0",
-    "tslib": "^2.3.0"
+    "tslib": "^2.3.0",
+    "zone.js": "^0.16.2"
   },
   "devDependencies": {
     "@angular/build": "^21.2.14",