docs: update hero section in English and Chinese index files to include repository badge

Author: Soulter

.vitepress/theme/styles/style.css

@@ -148,3 +148,21 @@
 #app > div > header > div > div.wrapper > div > div.title > div > a {
   border-bottom: none;
 }
+
+.VPHomeHero:not(.has-image) .container {
+  text-align: center;
+}
+
+.VPHomeHero:not(.has-image) .heading {
+  align-items: center;
+}
+
+.VPHomeHero:not(.has-image) .name,
+.VPHomeHero:not(.has-image) .text,
+.VPHomeHero:not(.has-image) .tagline {
+  margin: 0 auto;
+}
+
+.VPHomeHero:not(.has-image) .actions {
+  justify-content: center;
+}

en/index.md

@@ -3,12 +3,10 @@
 layout: home
 
 hero:
-  name: "AstrBot"
+  name: >-
+    <a href="https://trendshift.io/repositories/12875" target="_blank"><img src="https://trendshift.io/api/badge/repositories/12875" alt="Soulter%2FAstrBot | Trendshift" style="width: 250px; height: 55px; margin-bottom: 16px;" width="250" height="55"/></a>
   text: "Agentic AI assistant for personal and group chats"
   tagline: Connect any IM / 1000+ plugins / General Agent Orchestration
-  image:
-    src: https://cf.s3.soulter.top/astrbot-logo.svg
-    alt: AstrBot Logo
   actions:
     - theme: brand
       text: Quick Start

zh/index.md

@@ -3,12 +3,10 @@
 layout: home
 
 hero:
-  name: "AstrBot"
+  name: >-
+    <a href="https://trendshift.io/repositories/12875" target="_blank"><img src="https://trendshift.io/api/badge/repositories/12875" alt="Soulter%2FAstrBot | Trendshift" style="width: 250px; height: 55px; margin-bottom: 16px;" width="250" height="55"/></a>
   text: "Agentic AI 助手，服务个人与群聊"
   tagline: 连接 IM / 1000+ 插件扩展 / 通用 Agent 能力编排
-  image:
-    src: https://cf.s3.soulter.top/astrbot-logo.svg
-    alt: AstrBot Logo
   actions:
     - theme: brand
       text: 快速开始