docs(rt): Link to Read and Write traits from Upgraded doc comment (#3… #2856

Job	Run time
semver	2m 30s
Verify hyper.h is up to date	2m 20s
Check Style	14s
Test with Miri	2m 38s
minimal-versions	42s
features	28s
Test C API (FFI)	45s
Check MSRV	1m 19s
udeps	21s
Test stable on ubuntu-latest	1m 45s
Test stable on windows-latest	2m 20s
Test stable on macOS-latest	1m 18s
Test beta on ubuntu-latest	1m 26s
Test beta on windows-latest	2m 12s
Test beta on macOS-latest	1m 27s
Test nightly on ubuntu-latest	1m 23s
Test nightly on windows-latest	2m 22s
Test nightly on macOS-latest	1m 39s
Check exposed types	1m 3s
Build docs	21s
CI is green	1s
	28m 34s

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