chore: add postgres schema migrations

package.json

@@ -10,6 +10,8 @@
   },
   "scripts": {
     "build": "tsc -b",
+    "db:generate": "drizzle-kit generate",
+    "db:migrate": "tsx scripts/migrate.ts",
     "typecheck": "tsc -b --noEmit",
     "test": "vitest run",
     "test:watch": "vitest",
@@ -20,12 +22,19 @@
   "devDependencies": {
     "@biomejs/biome": "1.9.4",
     "@types/node": "22.10.2",
+    "@types/pg": "8.20.0",
     "@vitest/coverage-v8": "2.1.8",
+    "drizzle-kit": "0.31.10",
     "lefthook": "2.1.6",
     "tsup": "8.3.5",
     "tsx": "4.19.2",
     "typescript": "5.6.3",
     "vite": "6.0.3",
     "vitest": "2.1.8"
+  },
+  "dependencies": {
+    "dotenv": "17.4.2",
+    "drizzle-orm": "0.45.2",
+    "pg": "8.20.0"
   }
 }