finish editor for gitlab repo workspace config

ModpackUpdater.Apps.Manager/Form1.cs

@@ -23,6 +23,16 @@ public partial class Form1 : RadForm, IMainApi
         // ...
     }
 
+    private void LoadWorkspace()
+    {
+        // ...
+    }
+
+    private void LoadActionSet()
+    {
+        // ...
+    }
+
     private void RadMenuItem_OpenNewWorkspace_Click(object? sender, EventArgs e)
     {
         // ...