feat: Add Drizzle configuration file

This commit introduces a new Drizzle configuration file, 'drizzle.config.ts'. It establishes the schema path, output directory, dialect, and database credentials (such as host, user, password, and database) using environment variables.

drizzle.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'drizzle-kit';
+import * as process from "node:process";
+
+export default defineConfig({
+  schema: './src/drizzle/schema.ts',
+  out: './drizzle',
+  dialect: 'postgresql',
+  dbCredentials: {
+    host: `${process.env.POSTGRES_HOST}:${process.env.POSTGRES_PORT}`,
+    user: process.env.POSTGRES_USER,
+    password: process.env.POSTGRES_PASSWORD,
+    database: process.env.POSTGRES_DATABASE,
+  },
+});