docs: update directxshadercompiler information and comments #60

Job	Run time
cargo build (windows-2022, stable)	1m 40s
cargo fmt (windows-2022, stable)	29s
cargo test (windows-2022, stable)	32s
cargo clippy (windows-2022, stable)	2m 45s
cargo build (windows-2022, nightly)	1m 31s
cargo fmt (windows-2022, nightly)	22s
cargo test (windows-2022, nightly)	27s
cargo clippy (windows-2022, nightly)	1m 35s
cargo build (macos-latest, stable)	21s
cargo fmt (macos-latest, stable)	8s
cargo test (macos-latest, stable)	1m 23s
cargo clippy (macos-latest, stable)	1m 7s
cargo build (macos-latest, nightly)	28s
cargo fmt (macos-latest, nightly)	13s
cargo test (macos-latest, nightly)	3m 4s
cargo clippy (macos-latest, nightly)	23s
cargo build (ubuntu-22.04, stable)	14s
cargo fmt (ubuntu-22.04, stable)	3s
cargo test (ubuntu-22.04, stable)	3m 4s
cargo clippy (ubuntu-22.04, stable)	1m 15s
cargo build (ubuntu-22.04, nightly)	21s
cargo fmt (ubuntu-22.04, nightly)	12s
cargo test (ubuntu-22.04, nightly)	1m 13s
cargo clippy (ubuntu-22.04, nightly)	16s
Upload Test Event	0s
	23m 6s

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