add context menus to calendar view + ui package

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

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