feat: 切换为MariaDB数据库存储

lib/db.ts

@@ -0,0 +1,14 @@
+import mysql from 'mysql2/promise';
+
+const pool = mysql.createPool({
+  host: '192.168.0.196',
+  port: 3306,
+  user: 'smalltown',
+  password: 'MyPassword1+',
+  database: 'smalltown',
+  waitForConnections: true,
+  connectionLimit: 10,
+  queueLimit: 0
+});
+
+export default pool;