Reset repository to README title only

Approach is changing entirely; clearing prior implementation
to start over from a clean slate.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

manifest.json

@@ -1,8 +0,0 @@
-{
-  "packs": [
-    {
-      "name": "Sample Pack",
-      "file": "sample-pack"
-    }
-  ]
-}