Add basic styleguide

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/config/global.requires.js

@@ -0,0 +1,19 @@
+import Vue from 'vue';
+import VueI18n from 'vue-i18n';
+import Buefy from 'buefy';
+import 'bulma/css/bulma.min.css';
+import 'buefy/dist/buefy.min.css';
+import filters from '@/filters';
+
+Vue.use(VueI18n);
+Vue.use(Buefy);
+Vue.use(filters);
+
+Vue.component('router-link', {
+    props: {
+      tag: { type: String, default: 'a' }
+    },
+    render(createElement) {
+      return createElement(this.tag, {}, this.$slots.default)
+    }
+});

js/config/styleguide.root.js

@@ -0,0 +1,18 @@
+import VueI18n from 'vue-i18n'
+import messages from '@/i18n/index';
+
+const language = (window.navigator).userLanguage || window.navigator.language;
+const i18n = new VueI18n({
+    locale: language.replace('-', '_'), // set locale
+    messages, // set locale messages
+  });
+
+  export default previewComponent => {
+    // https://vuejs.org/v2/guide/render-function.html
+    return {
+      i18n,
+      render(createElement) {
+        return createElement(previewComponent)
+      }
+    }
+  }