Link the Space to its upstream model(s) and tag it

Adds `models:` and `tags:` to the README frontmatter, generated from the
spec in _shared/ rather than hand-written. `models:` is only set where the
weights are actually published on the Hub.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LJJXU9zyoDSBjApcUpteDt

README.md

@@ -7,6 +7,10 @@ sdk: docker
 pinned: false
 license: mit
 short_description: Extend an image beyond its original frame (outpainting).
+tags:
+  - image-to-image
+  - wavespeed
+  - outpainting
 ---
 
 # Image Expand
@@ -16,6 +20,7 @@ Extend an image beyond its original frame (outpainting).
 Runs [`bria/expand`](https://wavespeed.ai/models/bria/expand) through the
 [WaveSpeed](https://wavespeed.ai) v3 API.
 
+
 ## Bring your own API key
 
 This Space does not ship an API key. Paste your own in the field at the top —