Added page and endpoints for managing Tags

YABA.API/ViewModels/Tags/DeleteTagsRequest.cs

@@ -0,0 +1,7 @@
+namespace YABA.API.ViewModels.Tags
+{
+    public class DeleteTagsRequest
+    {
+        public IEnumerable<int> Ids { get; set; }
+    }
+}

YABA.API/ViewModels/Tags/HideTagsRequest.cs

@@ -0,0 +1,7 @@
+namespace YABA.API.ViewModels.Tags
+{
+    public class HideTagsRequest
+    {
+        public IEnumerable<int> Ids { get; set; }
+    }
+}

YABA.API/ViewModels/Tags/TagResponse.cs

@@ -4,5 +4,6 @@
     {
         public int Id { get; set; }
         public string Name { get; set; }
+        public bool IsHidden { get; set; }
     }
 }