refactor: 更新AppFooter.vue组件

对AppFooter.vue组件进行了重构，添加了动态key和路由监听功能，以及根据Frontmatter隐藏GitChangelog的逻辑。

packages/vitepress-theme-project-trans/src/components/AppFooter.vue

@@ -1,13 +1,29 @@
 <script setup lang="ts">
-import { NolebaseGitChangelog } from '@nolebase/vitepress-plugin-git-changelog/client'
+import { ref, watch } from 'vue';
+import { NolebaseGitChangelog } from '@nolebase/vitepress-plugin-git-changelog/client';
+import { useRoute } from 'vitepress';
+
+const route = useRoute();
+
+// 定义一个 ref 来存储动态 key
+const componentKey = ref(0);
+const frontmatter = ref({});
+
+// 监听路由变化，更新 key 和 frontmatter
+watch(() => route.path, () => {
+  componentKey.value += 1;
+  // 获取 Frontmatter
+  frontmatter.value = route.data?.frontmatter || {};
+});
 </script>
 
 <template>
-  <div class="vp-doc">
+  <div :key="componentKey" class="vp-doc">
     <h2 id="意见反馈">
       意见反馈
     </h2>
     <AppSBox />
-    <NolebaseGitChangelog />
+    <!-- 仅在 Frontmatter 中未设置 hideChangelog 时渲染 GitChangelog -->
+    <NolebaseGitChangelog v-if="!frontmatter.hideChangelog" />
   </div>
 </template>