fix: 部分接口注释修以及request接口js实现添加onHeadersReceived和offHeadersReceived监听 #15444

Job	Run time
Testing on Rust	1m 20s
Build Rust WASM / stable - wasm32-wasi	2m 0s
Build Rust Binding / stable - x86_64-apple-darwin	4m 44s
Build Rust Binding / stable - x86_64-pc-windows-msvc	4m 4s
Build Rust Binding / stable - x86_64-unknown-linux-gnu	3m 13s
Build Rust Binding / stable - x86_64-unknown-linux-musl	1m 51s
Build Rust Binding / stable - aarch64-apple-darwin	4m 46s
Testing on Node.js 16.x (macos-11)	5m 49s
Testing on Node.js 16.x (windows-latest)	3m 8s
Testing on Node.js 16.x (ubuntu-latest)	19m 52s
Testing on Node.js 16.x (ubuntu-latest)	20m 15s
	1h 11m 2s

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