Enhance project structure and testing capabilities

- Updated .dockerignore to include additional logs and IDE files, improving Docker build efficiency.
- Added .eslintrc.json for TypeScript linting configuration, ensuring code quality and consistency.
- Refactored Dockerfile to streamline the build process and utilize a slimmer Node.js image.
- Introduced jest-resolver.cjs and jest.setup.js for improved Jest testing configuration and setup.
- Updated jest.config.js to support ESM and added new test patterns for better test organization.
- Enhanced TypeScript schemas to include new device types (media_player, fan, lock, vacuum, scene, script, camera) for comprehensive validation.
- Added unit tests for device schemas and Home Assistant connection, improving test coverage and reliability.
- Updated README.md with new testing instructions and device control examples, enhancing user guidance.

.dockerignore

@@ -1,30 +1,36 @@
 # Dependencies
 node_modules
 npm-debug.log
+yarn-debug.log
+yarn-error.log
 
-# Build outputs
+# Build output
 dist
 
-# Environment and config
-.env
-.env.*
-
 # Version control
 .git
 .gitignore
 
-# IDE
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# IDE files
 .vscode
 .idea
 
-# Testing
+# Test files
 coverage
 __tests__
+jest.config.js
+jest.setup.js
+*.test.ts
+*.spec.ts
 
-# Logs
-*.log
-
-# Documentation
-README.md
-LICENSE
-CHANGELOG.md
+# Other
+*.md
+.DS_Store
+Dockerfile
+docker-compose.yml
+.dockerignore