docs: add vueconf to banner

packages/docs/src/components/core/SystemBar.vue

@@ -0,0 +1,69 @@
+<template>
+  <v-system-bar
+    v-if="!hasClosedBanner"
+    id="core-system-bar"
+    app
+    color="black"
+    dark
+    window
+    class="justify-center"
+  >
+    <div class="px-6">
+      <strong>Join us</strong>
+
+      &nbsp;at the upcoming VueConf Toronto to learn more about Vuetify v2.0 and more! Use&nbsp;
+
+      <a
+        href="https://vuetoronto.com/tickets"
+        target="_blank"
+      >
+        VUETIFYTO for 15% off!
+
+        <v-icon
+          color="primary"
+          small
+        >
+          mdi-arrow-right
+        </v-icon>
+      </a>
+    </div>
+
+    <v-icon
+      class="core-system-bar__close"
+      @click="close"
+    >
+      mdi-close-circle
+    </v-icon>
+  </v-system-bar>
+</template>
+
+<script>
+  export default {
+    name: 'CoreSystemBar',
+
+    data: () => ({
+      hasClosedBanner: true,
+    }),
+
+    mounted () {
+      this.hasClosedBanner = localStorage.getItem('vuetify__vueconf_to__banner') === 'true'
+    },
+
+    methods: {
+      close () {
+        this.hasClosedBanner = true
+        localStorage.setItem('vuetify__vueconf_to__banner', true)
+      },
+    },
+  }
+</script>
+
+<style lang="sass">
+  #core-system-bar
+    a
+      text-decoration: none
+
+    .core-system-bar__close
+      position: absolute
+      right: 0
+</style>

packages/docs/src/layouts/documentation/Index.vue

@@ -1,5 +1,7 @@
 <template>
   <v-app>
+    <core-system-bar />
+
     <documentation-app-bar />
 
     <documentation-drawer />

packages/docs/src/layouts/frontend/Index.vue

@@ -1,5 +1,7 @@
 <template>
   <v-app>
+    <core-system-bar />
+
     <frontend-app-bar />
 
     <frontend-view />