Point to the RFC process #297

Job	Run time
Bitrot check	1m 5s
Book tests	2m 45s
Check no-std target thumbv6m-none-eabi	1m 5s
Check no-std target wasm32-unknown-unknown	1m 4s
Test on ubuntu-latest with --all-features	1m 5s
Check no-std target wasm32-wasi	1m 7s
Test on ubuntu-latest with --no-default-features	1m 7s
Test on windows-latest with --all-features	1m 23s
Test on windows-latest with --no-default-features	1m 24s
Test on i686-unknown-linux-gnu with --all-features	1m 17s
Test on macOS-latest with --all-features	2m 15s
Test on i686-unknown-linux-gnu with --no-default-features	1m 16s
Test on macOS-latest with --no-default-features	1m 46s
Code coverage	1m 37s
Intra-doc links	1m 7s
Rustfmt	10s
	21m 33s

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