Add the picked providers and a Must include group

docs/media.md

@@ -149,9 +149,9 @@ that deletion is irreversible. The delete button is disabled for a 5 second coun
   and the multi-select People popover. The **Advanced search** drawer has aspect ratio, resolution,
   source channel, posted-date range, file-type chips, cached-only, a default-on hide for 4chan
   links (they 404 almost always), a sort select (newest, oldest, user, size, length), and a **Do not
-  include** group with nested collapsibles for sources (the ten most common providers plus embeds,
-  attachments, and stickers), file types, size (with B/KB/MB/GB units), and length (seconds), with
-  **Apply filters** / **Reset** in the bar. Size and length ranges drop
+  include** and **Must include** groups with nested collapsibles for sources (the common providers
+  in the archive plus embeds, attachments, and stickers), file types, size (with B/KB/MB/GB units),
+  and length (seconds), with **Apply filters** / **Reset** in the bar. Size and length ranges drop
   rows with no known value. The bar and drawer show only on the Media tab.
   Nothing renders until **Load media** is pressed. A **Metadata** dropdown toggles which fields
   show in the small banner under each tile (User, Type, Date, Source, Resolution, Length). Video