more docs #898

Job	Run time
Bench	1m 0s
Build documentation	1m 20s
Coverage	1m 11s
Check formatting	11s
Test minimal rust version	30s
Test (stable)	1m 16s
Test (beta)	1m 34s
Test (nightly)	1m 25s
Test (1.65.0)	1m 44s
Test (stable, --features "std")	1m 18s
Test (stable, --no-default-features)	1m 12s
Test (stable, --no-default-features --features "alloc")	1m 13s
Test (nightly, --no-default-features)	1m 11s
Test (nightly, --no-default-features --features "alloc")	1m 25s
	16m 30s

Provide feedback