docs: 添加计算机网络章节（9篇文章）

mkdocs.yml

@@ -127,6 +127,17 @@ nav:
     - 部署与 CI/CD: qiniu-cloud/deployment-cicd.md
     - 安全·认证·数据: qiniu-cloud/security-auth-data.md
     - 简历技术要点: qiniu-cloud/resume-tech-points.md
+  - 计算机网络:
+    - networking/index.md
+    - HTTP 握手: networking/http-handshake.md
+    - HTTP 连接资源消耗: networking/http-connection-cost.md
+    - 连接池复用: networking/connection-pooling.md
+    - HTTP Keep-Alive: networking/http-keepalive.md
+    - Keep-Alive 使用场景: networking/keepalive-scenarios.md
+    - 域名分片: networking/domain-sharding.md
+    - CDN: networking/cdn.md
+    - 跨域 CORS: networking/cors.md
+    - Go 编译标志 -s: networking/go-build-strip.md
   - AI:
     - ai/index.md
     - Skill 编写最佳实践: ai/skill-best-practices.md