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.

jest.config.cjs

@@ -0,0 +1,20 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+    preset: 'ts-jest/presets/default-esm',
+    testEnvironment: 'node',
+    extensionsToTreatAsEsm: ['.ts'],
+    moduleNameMapper: {
+        '^(\\.{1,2}/.*)\\.js$': '$1',
+    },
+    transform: {
+        '^.+\\.ts$': [
+            'ts-jest',
+            {
+                useESM: true,
+            },
+        ],
+    },
+    transformIgnorePatterns: [
+        'node_modules/(?!(@digital-alchemy)/.*)',
+    ],
+};