Refactor: HTTP clients, unified HTTP2/QUIC options, Apple engines

docs/configuration/index.zh.md

@@ -10,6 +10,7 @@ sing-box 使用 JSON 作为配置文件格式。
   "ntp": {},
   "certificate": {},
   "certificate_providers": [],
+  "http_clients": [],
   "endpoints": [],
   "inbounds": [],
   "outbounds": [],
@@ -28,6 +29,7 @@ sing-box 使用 JSON 作为配置文件格式。
 | `ntp`          | [NTP](./ntp/)          |
 | `certificate`  | [证书](./certificate/)   |
 | `certificate_providers` | [证书提供者](./shared/certificate-provider/) |
+| `http_clients` | [HTTP 客户端](./shared/http-client/) |
 | `endpoints`    | [端点](./endpoint/)      |
 | `inbounds`     | [入站](./inbound/)       |
 | `outbounds`    | [出站](./outbound/)      |