Various changes (Controller and test)

- Added RootController
- Added new methods in BaseController
- Added BaseResponse
- Changed Program structure
- Added first basic test for Program

MainProject/Controllers/BaseController.cs

@@ -1,5 +1,6 @@
 using System.Net;
 using Microsoft.AspNetCore.Mvc;
+using BasicDotnetTemplate.MainProject.Models.Api.Response;
 using BasicDotnetTemplate.MainProject.Models.Settings;
 
 [Controller]
@@ -17,7 +18,41 @@ public abstract class BaseController : ControllerBase
         _configuration.GetSection("AppSettings").Bind(_appSettings);
     }
 
+#nullable enable
+    private BaseResponse CreateResponse(HttpStatusCode status, string message, object? data = null)
+    {
+        return new BaseResponse()
+        {
+            Status = (int)status,
+            Message = message,
+            Data = data
+        };
+    }
 
+    protected new IActionResult Created(string message, object? data = null)
+    {
+        return StatusCode((int)HttpStatusCode.Created, CreateResponse(HttpStatusCode.Created, message, data));
+    }
 
+    protected IActionResult Success(string message, object? data = null)
+    {
+        return StatusCode((int)HttpStatusCode.OK, CreateResponse(HttpStatusCode.OK, message, data));
+    }
 
+    protected IActionResult NotFound(string message, object? data = null)
+    {
+        return StatusCode((int)HttpStatusCode.NotFound, CreateResponse(HttpStatusCode.NotFound, message, data));
+    }
+
+    protected IActionResult BadRequest(string message, object? data = null)
+    {
+        return StatusCode((int)HttpStatusCode.BadRequest, CreateResponse(HttpStatusCode.BadRequest, message, data));
+    }
+
+    protected IActionResult InternalServerError(string message)
+    {
+        return StatusCode((int)HttpStatusCode.InternalServerError, CreateResponse(HttpStatusCode.InternalServerError, message));
+    }
+
+#nullable disable
 }