small reworks in frontend and scripts, mostly finalized ansible deploy script -- still needs testing

frontend/vju_display/vite.config.ts

@@ -8,9 +8,15 @@ export default defineConfig({
   plugins: [
     vue(),
   ],
+  //base: './',
   resolve: {
     alias: {
       '@': fileURLToPath(new URL('./src', import.meta.url))
     }
+  },
+  server: {
+    hmr: {
+        host: 'localhost' 
+    }
   }
 })