GitHub: Add a Q&A discussion template (#2340) #4041

Job	Run time
check-docs	23s
cargo-hack	2m 56s
check	43s
cargo-public-api-crates (axum)	1m 1s
cargo-public-api-crates (axum-core)	50s
cargo-deny check (advisories)	26s
cargo-public-api-crates (axum-extra)	59s
dependencies-are-sorted	18s
Spell Check with Typos	6s
cargo-deny check (bans licenses sources)	23s
cargo-public-api-crates (axum-macros)	49s
test-nightly	1m 38s
test-msrv	7m 16s
test-docs	1m 39s
armv5te-unknown-linux-musleabi	28s
test-versions (stable)	1m 50s
wasm32-unknown-unknown	24s
test-versions (beta)	1m 47s
	23m 56s

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