Fix broken links (#1)

- Always use a relative markdown link so that we can jump even if we edit it in local env or read it in code hosting server.

Reviewed-on: https://gitea.com/gitea/docs/pulls/1

i18n/zh-cn/docusaurus-plugin-content-docs/version-1.22.json

@@ -0,0 +1,29 @@
+{
+  "sidebar.docs.category.Installation": {
+    "message": "安装"
+  },
+  "sidebar.docs.category.Administration": {
+    "message": "管理"
+  },
+  "sidebar.docs.category.Usage": {
+    "message": "使用"
+  },
+  "sidebar.docs.category.actions": {
+    "message": "Actions"
+  },
+  "sidebar.docs.category.packages": {
+    "message": "软件包"
+  },
+  "sidebar.docs.category.Development": {
+    "message": "开发"
+  },
+  "sidebar.docs.category.Contributing": {
+    "message": "贡献"
+  },
+  "sidebar.docs.category.Help": {
+    "message": "帮助"
+  },
+  "sidebar.docs.doc.What is Gitea?": {
+    "message": "Gitea是什么?"
+  }
+}