fix the broken links on the home page

Author: LinuxSuRen

docs/site/content/en/_index.md

@@ -3,14 +3,13 @@ title: API Testing
 ---
 
 {{< blocks/cover title="Welcome to API Testing!" image_anchor="top" height="full" >}}
-<a class="btn btn-lg btn-primary me-3 mb-4" href="/v0.0.1">
+<a class="btn btn-lg btn-primary me-3 mb-4" href="{{< relref "/latest" >}}">
   GET STARTED <i class="fas fa-arrow-alt-circle-right ms-2"></i>
 </a>
-<a class="btn btn-lg btn-secondary me-3 mb-4" href="/contributions">
+<a class="btn btn-lg btn-secondary me-3 mb-4" href="{{< relref "/contributions" >}}">
   CONTRIBUTING <i class="fa fa-heartbeat ms-2 "></i>
 </a>
 <p class="lead mt-5">YAML based API testing tool. interface debug and test tools.</p>
-<!-- 向下翻页图标 -->
 {{< blocks/link-down color="white" >}}
-<p class="lead mt-5">todo add relative content</p>
+<p class="lead mt-5">Let's improve the code quality together.</p>
 {{< /blocks/cover >}}