chore: update dependencies and add .dockerignore file

- Updated MUI packages to version 5.x and x-charts/x-date-pickers to 7.x
- Downgraded React and React-DOM to version 18.3.1
- Added .dockerignore to exclude unnecessary files from Docker context

next.config.js

@@ -1,6 +1,5 @@
 // next.config.js
 const nextConfig = {
-  output: "standalone",
   // Add other configurations below
   reactStrictMode: true,
   images: {