feat(protocol): implement brotli buffer for compressor #735

Job	Run time
wasm-unknown	30s
doctest	24s
cfg-check	24s
docs	21s
examples	55s
clippy	23s
feature-checks	56s
fmt	12s
feature-powerset	5m 20s
no-std	25s
wasm-wasi	29s
test stable --no-default-features	40s
test stable	1m 1s
test stable --all-features	1m 34s
test nightly --no-default-features	32s
test nightly	1m 4s
test nightly --all-features	1m 43s
test 1.81 --no-default-features	31s
test 1.81	48s
	18m 12s

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