Add setting to hide all attachments.

src/components/settings/settings.js

@@ -1,8 +1,18 @@
 import StyleSwitcher from '../style_switcher/style_switcher.vue'
 
 const settings = {
+  data () {
+    return {
+      hideAttachmentsLocal: this.$store.state.config.hideAttachments
+    }
+  },
   components: {
     StyleSwitcher
+  },
+  watch: {
+    hideAttachmentsLocal (value) {
+      this.$store.dispatch('setOption', { name: 'hideAttachments', value })
+    }
   }
 }