feat(plugin-catalog): add file-tray community plugin

plugin-catalog/file-tray.yaml

@@ -0,0 +1,20 @@
+name: file-tray
+repo: https://github.com/aydnOktay/hermes-file-tray
+sha: 275f040af145b6b3f9660487b7d35821d33d5aca
+description: Session file tray — paths the Hermes agent touched via read_file,
+  write_file, or patch. Desktop pane and /files. No API keys.
+maintainer: aydnOktay
+tier: community
+category: desktop
+requires_hermes: ">=0.21"
+docs_url: https://github.com/aydnOktay/hermes-file-tray
+version: "0.1.0"
+platforms: []
+capabilities:
+  provides_tools:
+  - file_tray_list
+  - file_tray_clear
+  provides_hooks:
+  - post_tool_call
+  provides_middleware: []
+  requires_env: []