Add DB upload flow and Docker deployment setup

package.json

@@ -4,17 +4,24 @@
   "version": "0.0.0",
   "type": "module",
   "scripts": {
-    "dev": "vite",
+    "dev": "concurrently \"npm:dev:server\" \"npm:dev:client\"",
+    "dev:client": "vite",
+    "dev:server": "node server/server.mjs",
+    "start": "node server/server.mjs",
     "build": "tsc -b && vite build",
     "lint": "eslint .",
     "preview": "vite preview"
   },
   "dependencies": {
+    "dotenv": "^17.2.3",
+    "express": "^5.1.0",
+    "mysql2": "^3.15.3",
     "react": "^19.2.4",
     "react-dom": "^19.2.4"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.4",
+    "concurrently": "^9.2.1",
     "@types/node": "^24.12.2",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",