Add Jest configuration files and enhance README with features and usage instructions

- Introduced `jest.config.cjs` and `jest.config.js` for Jest testing configuration.
- Expanded README.md to include detailed features, installation, configuration, and troubleshooting sections.
- Updated TypeScript configuration to target ES2022 and allow JavaScript files.
- Enhanced command handling in `src/index.ts` to support additional parameters for lights, covers, and climate entities.
- Added unit tests for command execution and Home Assistant connection validation.
- Updated schemas to include new entity types and parameters for better validation.

tsconfig.json

@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "ES2020",
+    "target": "ES2022",
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "outDir": "./dist",
@@ -9,7 +9,8 @@
     "esModuleInterop": true,
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
-    "declaration": true
+    "declaration": true,
+    "allowJs": true
   },
   "include": [
     "src/**/*"