moved stuff from settings, cleaned up naming for tabs, added close and peek

src/components/settings_modal/tabs/notifications_tab.js

@@ -0,0 +1,27 @@
+import Checkbox from 'src/components/checkbox/checkbox.vue'
+
+const NotificationsTab = {
+  data () {
+    return {
+      activeTab: 'profile',
+      notificationSettings: this.$store.state.users.currentUser.notification_settings,
+      newDomainToMute: ''
+    }
+  },
+  components: {
+    Checkbox
+  },
+  computed: {
+    user () {
+      return this.$store.state.users.currentUser
+    }
+  },
+  methods: {
+    updateNotificationSettings () {
+      this.$store.state.api.backendInteractor
+        .updateNotificationSettings({ settings: this.notificationSettings })
+    }
+  }
+}
+
+export default NotificationsTab