Rebuilt the shutdown/reboot dialog in Svelte

src/pug/index.pug

@@ -65,16 +65,8 @@ html(lang="en")
             li.pure-menu-heading
               a.pure-menu-link(href="#help") Help
               
-            button.pure-button.pure-button-primary(@click="confirmShutdown = true", style="width: 100%")
-              .fa.fa-power-off
-            message(:show.sync="confirmShutdown")
-              h3(slot="header") Confirm shutdown?
-              p(slot="body") Please wait for black screen before switching off power.
-              div(slot="footer")
-                button.pure-button(@click="confirmShutdown = false") Cancel
-                button.pure-button.button-success(@click="shutdown") Shutdown
-                button.pure-button.button-success(@click="reboot") Restart
-              
+            button.pure-button.pure-button-primary(@click="showShutdownDialog", style="width: 100%")
+              .fa.fa-power-off              
 
       #main
         .header