Enhance backend and frontend setup with MySQL integration, Docker configurations, and toast notifications

- Updated .gitignore to include additional environment and build files
- Configured Dockerfiles for backend and frontend with npm install and port exposure
- Added MySQL connection pool and query function in backend services
- Implemented form submission with toast notifications in MainForm component
- Updated package.json and package-lock.json for new dependencies
- Enhanced routing and layout in frontend with toast notifications

frontend/vite.config.ts

@@ -7,7 +7,7 @@ export default defineConfig({
   plugins: [react(), svgr(), tailwindcss()],
   server: {
     host: "0.0.0.0",
-    port: 5001,
+    port: 8001,
     watch: {
       usePolling: true,
     },