Update documentation

mkdocs.yml

@@ -97,11 +97,11 @@ nav:
   - Examples:
       - examples/index.md
       - Linux Server Installation: examples/linux-server-installation.md
-      - Shadowsocks Server: examples/ss-server.md
-      - Shadowsocks Client: examples/ss-client.md
-      - Shadowsocks Tun: examples/ss-tun.md
-      - ShadowTLS: examples/shadowtls.md
+      - Tun: examples/tun.md
       - DNS Hijack: examples/dns-hijack.md
+      - Shadowsocks: examples/shadowsocks.md
+      - ShadowTLS: examples/shadowtls.md
+      - Clash API: examples/clash-api.md
   - Contributing:
       - contributing/index.md
       - Developing:
@@ -168,7 +168,4 @@ plugins:
           Known Issues: 已知问题
           Examples: 示例
           Linux Server Installation: Linux 服务器安装
-          Shadowsocks Server: Shadowsocks 服务器
-          Shadowsocks Client: Shadowsocks 客户端
-          Shadowsocks Tun: Shadowsocks Tun
           DNS Hijack: DNS 劫持