add context menus to calendar view + ui package

resources/js/packages/ui/src/context-menu/ContextMenuGroup.vue

@@ -0,0 +1,12 @@
+<script setup lang="ts">
+import type { ContextMenuGroupProps } from 'reka-ui';
+import { ContextMenuGroup } from 'reka-ui';
+
+const props = defineProps<ContextMenuGroupProps>();
+</script>
+
+<template>
+    <ContextMenuGroup v-bind="props">
+        <slot />
+    </ContextMenuGroup>
+</template>