meal plan context menu added, further progress

vue/src/components/ContextMenu/ContextMenuItem.vue

@@ -0,0 +1,16 @@
+<template>
+  <li @click="$emit('click', $event)" role="presentation">
+    <slot/>
+  </li>
+</template>
+
+<script>
+export default {
+  name: "ContextMenuItem.vue",
+}
+</script>
+
+<style scoped>
+
+</style>
+