Add an option that allows binding port 443

Kinda everts some changes of
"Implement MongoDB autostart and GC watching".
This commit makes launching MongoDB async

src/utils/configuration.ts

@@ -28,6 +28,9 @@ let defaultConfig: Configuration
     auto_mongodb: false,
     un_elevated: false,
     redirect_more: false,
+
+    // Linux stuff
+    grasscutter_elevation: 'None',
   }
 })()
 
@@ -60,6 +63,9 @@ export interface Configuration {
   un_elevated: boolean
   redirect_more: boolean
 
+  // Linux stuff
+  grasscutter_elevation: string
+
   // Swag stuff
   akebi_path?: string
   migoto_path?: string