pack: add prettier and reformat all codes

src/renderer/utils/index.ts

@@ -1,11 +1,11 @@
 import { shell } from 'electron'
 
 export default class Utils {
-  static getCurrentLocale () : string {
+  static getCurrentLocale(): string {
     return navigator?.language?.split('-')[0] || 'en'
   }
 
-  static async openExternal (url: string) : Promise<void> {
+  static async openExternal(url: string): Promise<void> {
     await shell.openExternal(url)
   }
 }