Vue Attract: Sort/filterable table based on Vue

Initial commit implementing sortable and filterable tables for attract
using Vue.

src/scripts/js/es6/common/vuecomponents/menu/DropDown.js

@@ -0,0 +1,42 @@
+const TEMPLATE =`
+<div class="pillar-dropdown">
+    <div class="pillar-dropdown-button"
+        :class="buttonClasses"
+        @click="toggleShowMenu"
+    >
+        <slot name="button"/>
+    </div>
+    <div class="pillar-dropdown-menu"
+        v-show="showMenu"
+        v-click-outside="closeMenu"
+    >
+        <slot name="menu"/>
+    </div>
+</div>
+`;
+
+let DropDown = Vue.component('pillar-dropdown', {
+    template: TEMPLATE,
+    data() {
+        return {
+            showMenu: false
+        }
+    },
+    computed: {
+        buttonClasses() {
+            return {'is-open': this.showMenu};
+        }
+    },
+    methods: {
+        toggleShowMenu(event) {
+            event.preventDefault();
+            event.stopPropagation();
+            this.showMenu = !this.showMenu;
+        },
+        closeMenu(event) {
+            this.showMenu = false;
+        }
+    },
+});
+
+export { DropDown }