update Gallery view to work with url params

src/pages/Gallery.vue

@@ -28,7 +28,7 @@
 
     <side-view id="gallery-index" right>
       <template #default="{ hide }">
-        <ul>
+        <ul v-if="creations">
           <li v-for="crea in creations" :key="crea.id">
             <node-view-title
               :node="crea"
@@ -54,7 +54,7 @@
     </b-modal>
 
     <b-overlay
-      :show="!creation"
+      :show="!creations || !creation"
       spinner-variant="creation"
       no-wrap
     />
@@ -80,6 +80,10 @@ export default {
     NodeViewTitle
   },
 
+  props: {
+    id: { type: [Number, String], default: undefined }
+  },
+
   computed: {
     ...mapGetters(['creations', 'creation'])
   },
@@ -95,8 +99,14 @@ export default {
     }
   },
 
+  watch: {
+    id (id, prev) {
+      this.$store.dispatch('DISPLAY_CREATION', parseInt(this.id))
+    }
+  },
+
   created () {
-    this.$store.dispatch('INIT_GALLERY')
+    this.$store.dispatch('INIT_GALLERY', parseInt(this.id))
   }
 }
 </script>