lms

Implement SST scheme #322

Job	Run time
msrv	4m 8s
rustfmt	10s
check-for-todos	3s
clippy	26s
set-msrv	3s
test (1.63)	3m 59s
test (stable)	2m 15s
cross (1.63, aarch64-unknown-linux-gnu, default)	8m 26s
bench	45s
cross (stable, aarch64-unknown-linux-gnu, default)	6m 35s
build (1.63, thumbv7em-none-eabi)	1m 49s
build (1.63, wasm32-unknown-unknown)	2m 1s
demo-lms (stable, default)	24s
build (stable, thumbv7em-none-eabi)	13s
demo-sst (stable, default)	22s
build (stable, wasm32-unknown-unknown)	22s
	32m 1s

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