add login

config/config.yaml

@@ -1,5 +1,10 @@
 server:
-  port: "8080"  # 服务端口
+  port: "8080"
+  secret_key: "6Sc1OTEaU3n9t80ijBptYYYSEwPx2Y5t"  # 用于JWT签名的密钥
 
 database:
-  path: "data/navigation.db"  # 数据库文件路径
+  path: "data/navigation.db"
+
+admin:
+  username: "admin"
+  password: "123456"  # 首次运行后请修改