Add Feature "prebuilt-nasm"; Update documentation #857

Job	Run time
apidiff (aws-lc-sys, branch)	2m 57s
apidiff (aws-lc-sys, published)	2m 56s
clippy (aws-lc-rs, --features bindgen,unstable)	41s
apidiff (aws-lc-fips-sys, branch)	2m 47s
clippy (aws-lc-rs, --features bindgen,unstable,fips)	41s
apidiff (aws-lc-fips-sys, published)	3m 9s
clippy (aws-lc-rs, --no-default-features --features aws-lc-sys)	33s
apidiff (aws-lc-rs, branch)	2m 53s
dependency-review	26s
apidiff (aws-lc-rs, published)	2m 55s
rustfmt	32s
bindgen-dependency (ubuntu-latest)	22s
bindgen-fips-dependency (ubuntu-latest)	22s
bindgen-dependency (macos-12)	49s
bindgen-fips-dependency (macos-12)	38s
copyright	3s
bindgen-fips-dependency (macos-13-xlarge)	30s
bindgen-dependency (macos-13-xlarge)	30s
Resolve the dependencies to the minimum SemVer version	49s
bindgen-fips-dependency (windows-latest)	1m 17s
bindgen-dependency (windows-latest)	1m 4s
mirai-analysis	2m 10s
udeps	7m 43s
metadata-checks	34s
semver-checks	1m 15s
	38m 36s

Provide feedback