Add Setting Upgrade

Source/GrasscutterTools/Properties/Settings.Designer.cs

@@ -274,5 +274,17 @@ namespace GrasscutterTools.Properties {
                 this["ProjectResourcePath"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("False")]
+        public bool IsUpgraded {
+            get {
+                return ((bool)(this["IsUpgraded"]));
+            }
+            set {
+                this["IsUpgraded"] = value;
+            }
+        }
     }
 }

Source/GrasscutterTools/Properties/Settings.settings

@@ -65,5 +65,8 @@
     <Setting Name="ProjectResourcePath" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="IsUpgraded" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
   </Settings>
 </SettingsFile>