添加获取启动器最新版本接口

CompetitionAPI/CompetitionAPI/CompetitionAPI/Controllers/version/GetLastVersionController.cs

@@ -0,0 +1,11 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CompetitionAPI.Controllers.version
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class GetLastVersionController : Controller
+    {
+    }
+}

CompetitionAPI/CompetitionAPI/CompetitionAPI/api/version/GetLastVersionResponse.cs

@@ -0,0 +1,6 @@
+namespace CompetitionAPI.api.version
+{
+    public class GetLastVersionResponse
+    {
+    }
+}