added a showversion button with popup to the interface

frontend/wailsjs/go/main/App.d.ts

@@ -42,6 +42,8 @@ export function MyAnimeListLogin():Promise<void>;
 
 export function MyAnimeListUpdate(arg1:main.MALAnime,arg2:main.MALUploadStatus):Promise<main.MalListStatus>;
 
+export function ShowVersion():Promise<void>;
+
 export function SimklGetUserWatchlist():Promise<main.SimklWatchListType>;
 
 export function SimklLogin():Promise<void>;

frontend/wailsjs/go/main/App.js

@@ -82,6 +82,10 @@ export function MyAnimeListUpdate(arg1, arg2) {
   return window['go']['main']['App']['MyAnimeListUpdate'](arg1, arg2);
 }
 
+export function ShowVersion() {
+  return window['go']['main']['App']['ShowVersion']();
+}
+
 export function SimklGetUserWatchlist() {
   return window['go']['main']['App']['SimklGetUserWatchlist']();
 }