axum-extra: Add links to features table #5022

Job	Run time
check	1m 37s
cargo-public-api-crates (axum)	38s
check-docs	32s
cargo-public-api-crates (axum-core)	25s
cargo-hack	4m 27s
cargo-public-api-crates (axum-extra)	37s
cargo-deny check (advisories)	39s
cargo-deny check (bans licenses sources)	24s
cargo-public-api-crates (axum-macros)	24s
dependencies-are-sorted	13s
Spell Check with Typos	7s
test-msrv	2m 28s
test-versions (stable)	2m 37s
test-versions (beta)	2m 29s
test-docs	1m 31s
armv5te-unknown-linux-musleabi	38s
test-nightly	1m 34s
wasm32-unknown-unknown	18s
	21m 38s

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