Add authentication

src/main/kotlin/top/fatweb/api/controller/permission/AuthenticationController.kt

@@ -0,0 +1,21 @@
+package top.fatweb.api.controller.permission
+
+import io.swagger.v3.oas.annotations.Operation
+import io.swagger.v3.oas.annotations.tags.Tag
+import org.springframework.web.bind.annotation.*
+import top.fatweb.api.annotation.ApiVersion
+import top.fatweb.api.entity.common.ResponseCode
+import top.fatweb.api.entity.common.ResponseResult
+import top.fatweb.api.entity.permission.User
+import top.fatweb.api.service.permission.IAuthenticationService
+
+@Tag(name = "身份认证", description = "身份认证相关接口")
+@RestController
+@RequestMapping("/api/{apiVersion}")
+@ApiVersion(2)
+class AuthenticationController(val loginService: IAuthenticationService) {
+    @Operation(summary = "登录")
+    @PostMapping("/login")
+    fun login(@PathVariable apiVersion: String, @RequestBody user: User) =
+        ResponseResult.success(ResponseCode.SYSTEM_LOGIN_SUCCESS, "Login success", loginService.login(user))
+}