Add axum-negotiate-layer to community projects #5142

Job	Run time
cargo-hack	3m 12s
check	48s
check-docs	19s
cargo-public-api-crates (axum)	29s
cargo-deny check (advisories)	24s
dependencies-are-sorted	18s
Spell Check with Typos	4s
cargo-deny check (bans licenses sources)	22s
cargo-public-api-crates (axum-core)	14s
cargo-public-api-crates (axum-extra)	27s
cargo-public-api-crates (axum-macros)	16s
test-versions (stable)	1m 55s
test-docs	1m 14s
test-msrv	1m 50s
test-versions (beta)	2m 2s
armv5te-unknown-linux-musleabi	24s
test-nightly	1m 17s
wasm32-unknown-unknown	13s
	15m 48s

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