mark middleware handling as done

Author: pieh

adapters-notes.md

@@ -49,7 +49,7 @@
     \_next/image rewrite then)
   - (maybe/explore) set build time cache handler to avoid having to read output of default cache
     handler and convert those files into blobs to upload later
-- [partially done - for edge runtime] use middleware output to generate middleware edge function
+- [done] use middleware output to generate middleware edge function
 - [done] don't glob for static files and use `outputs.staticFiles` instead
 - check `output: 'export'` case
 - note any remaining manual manifest files reading in build plugin once everything that could be