[zh] Fix links in contribute section

This PR fixes bad links found in the contribute section, identified via:
```
./scripts/linkchecker.py -l zh -f /docs/contribute/**/*.md
```

Fix Summary:
Bad links pointing nowhere: 23
Links which should point to localized pages: 28
Links which should avoid redirections: 5
Unsafe links that use HTTP: 6

content/zh/docs/contribute/generate-ref-docs/kubernetes-api.md

@@ -31,7 +31,7 @@ Kubernetes API 参考文档是从
 构建的，而工具是从
 [kubernetes-sigs/reference-docs](https://github.com/kubernetes-sigs/reference-docs) 构建的。
 
-如果您在生成的文档中发现错误，则需要[在上游修复](/docs/contribute/generate-ref-docs/contribute-upstream/)。
+如果您在生成的文档中发现错误，则需要[在上游修复](/zh/docs/contribute/generate-ref-docs/contribute-upstream/)。
 
 如果您只需要从 [OpenAPI](https://github.com/OAI/OpenAPI-Specification) 规范中重新生成参考文档，请继续阅读此页。
 
@@ -280,12 +280,12 @@ In `<web-base>` run `git add` and `git commit` to commit the change.
 
 <!-- 
 Submit your changes as a
-[pull request](/docs/contribute/start/) to the
+[pull request](/docs/contribute/new-content/open-a-pr/) to the
 [kubernetes/website](https://github.com/kubernetes/website) repository.
 Monitor your pull request, and respond to reviewer comments as needed. Continue
 to monitor your pull request until it has been merged.
 -->
-基于你所生成的更改[创建 PR](/docs/contribute/start/)，
+基于你所生成的更改[创建 PR](/zh/docs/contribute/new-content/open-a-pr/)，
 提交到 [kubernetes/website](https://github.com/kubernetes/website) 仓库。
 监视您提交的 PR，并根据需要回复 reviewer 的评论。继续监视您的 PR，直到合并为止。
 
@@ -296,7 +296,7 @@ to monitor your pull request until it has been merged.
 * [Generating Reference Docs for Kubernetes Components and Tools](/docs/contribute/generate-ref-docs/kubernetes-components/)
 * [Generating Reference Documentation for kubectl Commands](/docs/contribute/generate-ref-docs/kubectl/)
 -->
-* [生成参考文档快速入门](/docs/home/contribute/generate-ref-docs/quickstart/)
-* [为 Kubernetes 组件和工具生成参考文档](/docs/home/contribute/generate-ref-docs/kubernetes-components/)
-* [为 kubectl 命令集生成参考文档](/docs/home/contribute/generate-ref-docs/kubectl/)
+* [生成参考文档快速入门](/zh/docs/contribute/generate-ref-docs/quickstart/)
+* [为 Kubernetes 组件和工具生成参考文档](/zh/docs/contribute/generate-ref-docs/kubernetes-components/)
+* [为 kubectl 命令集生成参考文档](/zh/docs/contribute/generate-ref-docs/kubectl/)