feat: add auth

package.json

@@ -25,7 +25,12 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "better-auth": "^1.3.23",
+    "dotenv": "^17.2.2",
+    "drizzle-orm": "^0.44.5",
+    "net": "^1.0.2",
     "next": "^15.5.2",
+    "pg": "^8.16.3",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-simple-maps": "^3.0.0",
@@ -34,10 +39,13 @@
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
     "@types/node": "^20",
+    "@types/pg": "^8.15.5",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "@types/react-simple-maps": "^3.0.6",
+    "drizzle-kit": "^0.31.5",
     "tailwindcss": "^4",
+    "tsx": "^4.20.6",
     "typescript": "^5"
   }
 }