Add bootstrap as MCC dependency

Author: Yarik-Popov

gs/frontend/deno.lock

@@ -7,7 +7,8 @@
     "preview": "vite preview"
   },
   "imports": {
-    "react-bootstrap": "npm:react-bootstrap@^2.10.4"
+    "react-bootstrap": "npm:react-bootstrap@^2.10.4",
+    "bootstrap": "npm:bootstrap@^5.1.3"
   },
   "exports": {}
 }