Added threads listing controller

Controllers/GetPosts.cs

@@ -14,7 +14,7 @@ namespace NeDvachAPI.Controllers
         public string Get([FromUri] string board, int thread)
         {
             string ipAddress = Request.HttpContext.Connection.RemoteIpAddress.ToString();
-            List<Post> posts  = DBchat.DbList(board, thread);
+            List<Post> posts  = DBchat.PostsList(board, thread);
             string postsJson = JsonSerializer.Serialize(posts);
             Console.WriteLine("С адреса " + ipAddress + " запрошен список постов из борды " + board + " и треда# " + thread);
             return postsJson ;

Controllers/ShowThreads.cs

@@ -0,0 +1,23 @@
+using Microsoft.AspNetCore.Mvc;
+using System.Text.Json;
+using System.Web.Http;
+using HttpGetAttribute = Microsoft.AspNetCore.Mvc.HttpGetAttribute;
+using RouteAttribute = Microsoft.AspNetCore.Mvc.RouteAttribute;
+
+namespace NeDvachAPI.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class ThreadsController : ControllerBase
+    {
+        [HttpGet(Name = "GetThreads")]
+        public string Get([FromUri] string board)
+        {
+            string ipAddress = Request.HttpContext.Connection.RemoteIpAddress.ToString();
+            List<Post> posts = DBchat.ThreadsList(board);
+            string postsJson = JsonSerializer.Serialize(posts);
+            Console.WriteLine("С адреса " + ipAddress + " запрошен список тредов из борды " + board);
+            return postsJson;
+        }
+    }
+}