adds simple global state, adds dropdown to switch players

lootalot_front/src/components/GroupChest.vue

@@ -0,0 +1,22 @@
+<template>
+  <section id="main" class="section">
+    <div id="main-heading" class="columns is-mobile is-vcentered">
+      <div class="column is-narrow">
+        <span class="icon is-large"><i class="fas fa-3x fa-gem"></i></span>
+      </div>
+      <div class="column has-text-left">
+        <h1 class="title">Coffre de groupe</h1>
+      </div>
+    </div>
+    <Chest player_id="0"></Chest>
+  </section>   
+</template>
+
+<script>
+    import Chest from './Chest.vue'
+
+    export default {
+        components: { Chest },
+        data () { return {}; }
+    }
+</script>