feat: Add vim mode to script editor

This adds an option to turn on vim mode using the `monaco-vim` library.

src/Settings/Settings.ts

@@ -163,6 +163,8 @@ interface ISettings extends IDefaultSettings {
   MonacoInsertSpaces: boolean;
 
   MonacoFontSize: number;
+
+  MonacoVim: boolean;
 }
 
 export const defaultSettings: IDefaultSettings = {
@@ -254,6 +256,7 @@ export const Settings: ISettings & ISelfInitializer & ISelfLoading = {
   MonacoTheme: "monokai",
   MonacoInsertSpaces: false,
   MonacoFontSize: 20,
+  MonacoVim: false,
 
   theme: {
     primarylight: defaultSettings.theme.primarylight,