[bilibili] update

- use self.groups[…] to access matched values
- extract more metadata (count, width, height, size)
- remove type hint
- add tests
- update docs/supportedsites

scripts/supportedsites.py

@@ -195,6 +195,9 @@ SUBCATEGORY_MAP = {
         "artwork": "Artwork Listings",
         "collections": "",
     },
+    "bilibili": {
+        "user-articles": "User Articles",
+    },
     "bluesky": {
         "posts": "",
     },