update: fallback if no/emptyapi response

TODO.md

@@ -1,4 +1,5 @@
 ## TODO
+* General - fallbacks in case no api response
 * General - sort things by sort_order
 * General - page headings etc - use api
 * mailer

pages/index.vue

@@ -68,15 +68,25 @@ export default {
   },
 
   mounted () {
-    if (this.bgImages.length > 1) {
+    if (this.bgImages.length > 0) {
       this.setNextIndex()
       this.showHeading = true
     }
   },
 
   async asyncData({ $axios }) {
+    try {
       const { bgImages, taglines } = await $axios.$get('/api/v1/home')
+      if (bgImages.length < 1) {
+        throw new Error('bgImages empty')
+      }
       return { bgImages, taglines }
+    } catch {
+      return {
+        bgImages: ['/img/default-home.jpg'],
+        taglines: [''],
+      }
+    }
   },
 
   methods: {