pack: add .editorconfig and use tab instead of space

src/renderer/App.vue

@@ -3,22 +3,22 @@ import { DefaultLayout } from '@/renderer/components/layout'
 </script>
 
 <template>
-  <DefaultLayout>
-    <router-view />
-  </DefaultLayout>
+	<DefaultLayout>
+		<router-view />
+	</DefaultLayout>
 </template>
 
 <style>
 html {
-  overflow-y: auto !important;
+	overflow-y: auto !important;
 }
 html,
 body {
-  width: 100%;
-  height: 100%;
+	width: 100%;
+	height: 100%;
 }
 /* Do not force capitalization of button text */
 .v-btn {
-  text-transform: unset !important;
+	text-transform: unset !important;
 }
 </style>