chore: Update environment configuration and Dockerfile for improved setup

- Change default PORT in .env.example to 7123 and update CORS origins
- Disable speech features in .env.example for a cleaner setup
- Modify Dockerfile to streamline Python dependency installation and improve build performance
- Add fix-env.js script to ensure NODE_ENV is set correctly before application starts
- Update smithery.yaml to include new Home Assistant connection parameters
- Introduce start.sh script to set NODE_ENV and start the application

fix-env.js

@@ -0,0 +1,9 @@
+// This script fixes the NODE_ENV environment variable before any imports
+console.log('Setting NODE_ENV to "development" before imports');
+process.env.NODE_ENV = "development";
+
+// Add more debugging
+console.log(`NODE_ENV is now set to: "${process.env.NODE_ENV}"`);
+
+// Import the main application
+import './dist/index.js';