feat: add Bun polyfills and refactor LiteMCP implementation

- Introduced polyfills for Node.js compatibility in Bun runtime
- Moved LiteMCP implementation to a dedicated module
- Updated package.json to include @digital-alchemy/hass dependency
- Refactored import for LiteMCP to use local module path

package.json

@@ -17,6 +17,7 @@
   },
   "dependencies": {
     "@digital-alchemy/core": "^0.1.0",
+    "@digital-alchemy/hass": "^25.1.1",
     "@jest/globals": "^29.7.0",
     "@types/express": "^4.17.21",
     "@types/jest": "^29.5.12",