Add 'archive' category to travel-guide_app

Author: dkhamsing

contents.json

@@ -21983,7 +21983,7 @@
       "title": "Travel Guide",
       "category-ids": [
         "flutter",
-        "travel"
+        "travel", "archive"
       ],
       "license": "other",
       "source": "https://github.com/Ivaskuu/travel-guide_app",