add context menus to calendar view + ui package

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

@@ -0,0 +1,15 @@
+<script setup lang="ts">
+import type { ContextMenuSubEmits, ContextMenuSubProps } from 'reka-ui';
+import { ContextMenuSub, useForwardPropsEmits } from 'reka-ui';
+
+const props = defineProps<ContextMenuSubProps>();
+const emits = defineEmits<ContextMenuSubEmits>();
+
+const forwarded = useForwardPropsEmits(props, emits);
+</script>
+
+<template>
+    <ContextMenuSub v-bind="forwarded">
+        <slot />
+    </ContextMenuSub>
+</template>