feat: initialize project with Home Assistant integration

- Added index.ts for connecting to Home Assistant and subscribing to entities.
- Implemented function to calculate sleep time from sensor data.
- Created package.json with dependencies for TypeScript and Home Assistant WebSocket.
- Configured tsconfig.json for TypeScript with strict settings and ESNext features.

package.json

@@ -0,0 +1,15 @@
+{
+  "name": "abissinskiy",
+  "module": "index.ts",
+  "type": "module",
+  "private": true,
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  },
+  "dependencies": {
+    "home-assistant-js-websocket": "^9.5.0"
+  }
+}