Add a place for errors

Author: donokuda

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/InitProjectView.cs

@@ -54,6 +54,12 @@ public override void OnGUI()
                 GUILayout.FlexibleSpace();
                 GUILayout.EndHorizontal();
 
+                GUILayout.BeginHorizontal();
+                  GUILayout.FlexibleSpace();
+                  GUILayout.Label("There was an error initializing a repository.", Styles.ErrorLabel);
+                  GUILayout.FlexibleSpace();
+                GUILayout.EndHorizontal();
+
                 GUILayout.FlexibleSpace();
             }
             GUILayout.EndVertical();