added ambient sound feature

src/components/SceneDesigner/Scene.vue

@@ -30,6 +30,12 @@
             </template>
         </asset-selector>
 
+        <asset-selector @select="assignAudio" :type="['Audio']">
+            <template v-slot:activator="props">
+                <v-btn v-bind="props" prepend-icon="mdi-volume-medium" block color="deep-purple-accent-2" class="my-4">Select ambient sound</v-btn>
+            </template>
+        </asset-selector>
+
         <v-form class="py-4">
             <v-text-field density="compact" :label="l.name" v-model="modelValue.title"></v-text-field>
             <v-textarea :label="l.description" v-model="modelValue.description"></v-textarea>
@@ -88,6 +94,9 @@ export default {
         assignIntro(e){
             this.modelValue.intro = e.id;
         }, 
+        assignAudio(e){
+            this.modelValue.audio = e.id;
+        }
     }
 }
 </script>