feat: Initialize database and restructure application source code.

drizzle.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from "drizzle-kit";
+import { env } from "./src/lib/env";
+
+export default defineConfig({
+    schema: "./src/db/schema.ts",
+    out: "./drizzle",
+    dialect: "postgresql",
+    dbCredentials: {
+        url: env.DATABASE_URL,
+    },
+});