feat: update footer open source links to advanced-java, leetcode, md and fix EN text

Author: yanglbme

src/components/Footer.astro

@@ -36,9 +36,9 @@ const prefix = locale === "en" ? "/en" : "";
       <div>
         <h4 class="text-xs font-semibold text-text-muted uppercase tracking-wider mb-2.5 sm:mb-3">{locale === "en" ? "Open Source" : "开源社区"}</h4>
         <ul class="space-y-2 text-sm">
+          <li><a href="https://github.com/doocs/advanced-java" target="_blank" rel="noopener" class="text-text-dim hover:text-accent-light transition-colors no-underline">{locale === "en" ? "Java Advanced" : "Java 进阶"}</a></li>
           <li><a href="https://github.com/doocs/leetcode" target="_blank" rel="noopener" class="text-text-dim hover:text-accent-light transition-colors no-underline">LeetCode</a></li>
-          <li><a href="https://github.com/doocs/md" target="_blank" rel="noopener" class="text-text-dim hover:text-accent-light transition-colors no-underline">{locale === "en" ? "Markdown Guide" : "Markdown 语法"}</a></li>
-          <li><a href="https://github.com/yanglbme" target="_blank" rel="noopener" class="text-text-dim hover:text-accent-light transition-colors no-underline">@yanglbme</a></li>
+          <li><a href="https://github.com/doocs/md" target="_blank" rel="noopener" class="text-text-dim hover:text-accent-light transition-colors no-underline">{locale === "en" ? "Markdown" : "MD"}</a></li>
         </ul>
       </div>
       <!-- More -->
@@ -67,7 +67,7 @@ const prefix = locale === "en" ? "/en" : "";
     <!-- Bottom -->
     <div class="flex flex-col sm:flex-row items-center justify-between gap-3 text-xs text-text-muted">
       <p class="text-center sm:text-left">
-        Doocs 开源社区 · {locale === "en" ? "Extracting real signals from the AI noise" : "不做信息搬运工，只做有价值的筛选和分析"}
+        Doocs {locale === "en" ? "Open Source" : "开源社区"} · {locale === "en" ? "Extracting real signals from the AI noise" : "不做信息搬运工，只做有价值的筛选和分析"}
       </p>
       <p>
         Copyright &copy; <span id="footer-year"></span> <a href="https://github.com/doocs" class="text-accent-light no-underline hover:underline" target="_blank" rel="noopener">Doocs</a>