chore: add simple copyright

components/layout/CurrentVersion.vue

@@ -0,0 +1,21 @@
+<script lang="ts" setup>
+import { isClient } from '@vueuse/core'
+import pkg from '~/package.json'
+
+const commitSha = (import.meta.env.VITE_COMMIT_REF || '').slice(0, 7)
+const now = import.meta.env.VITE_APP_BUILD_TIME
+const buildDate = (new Date(Number.parseInt(now) * 1000)).toLocaleDateString()
+</script>
+
+<template>
+  <div v-if="commitSha && buildDate" mb-2 text-sm>
+    <span>
+      当前版本 v{{ pkg.version }}（{{ buildDate }}）:
+    </span>
+    <span>
+      <a border="b-1 dashed" :href="`https://github.com/YunYouJun/cook/commit/${commitSha}`" target="_blank" alt="Cook | GitHub Commit">
+        {{ commitSha }}
+      </a>
+    </span>
+  </div>
+</template>