✨ 添加贡献者展示组件，并更新项目文档以感谢贡献者

docs/components/ContributorsBar.vue

@@ -0,0 +1,23 @@
+<script setup lang="ts">
+
+const contributorImgSrc = `https://contrib.rocks/image?repo=LiteyukiStudio/nonebot-plugin-marshoai`
+const contributorsUrl = `https://github.com/LiteyukiStudio/nonebot-plugin-marshoai/graphs/contributors`
+</script>
+
+<template>
+  <div class="contributor-bar">
+    <a :href="contributorsUrl">
+      <div class="contributor-list">
+        <img :src=contributorImgSrc alt="Contributors">
+      </div>
+    </a>
+  </div>
+</template>
+
+<style scoped>
+.contributor-bar {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+</style>