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/sample-pack.json

@@ -1,19 +0,0 @@
-{
-  "mcVersion": "1.20.1",
-  "recommendedJdkVersion": 17,
-  "loaderType": "vanilla",
-  "loaderVersion": "",
-  "loaderInstallerPath": "",
-  "serverMinRam": 2048,
-  "serverMaxRam": 4096,
-  "clientMinRam": 4096,
-  "clientRecommendedRam": 8192,
-  "packPath": "sample-pack.zip",
-  "description": "새 서버팩",
-  "configEditableFiles": [
-    "server.properties",
-    "bukkit.yml"
-  ],
-  "resourcePackFiles": [],
-  "shaderPackFiles": []
-}