Rust

Add documentation to a number of elements #121

	name: Rust

	on:
	push:
	branches:
	- main
	pull_request_target:
	branches:
	- main
	jobs:
	build:
	runs-on: ubuntu-22.04
	timeout-minutes: 10
	steps:
	- uses: actions/checkout@v2
	- name: Install Rust nightly
	uses: actions-rs/toolchain@v1
	with:
	toolchain: nightly
	override: true
	profile: default
	- name: Install coverage-run dependencies
	run: \|
	sudo apt-get install -y llvm
	pip3 install --user toml
	cargo install rustfilt
	- name: Run Clippy check.
	uses: actions-rs/clippy-check@v1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	args: --all-features
	- name: Run formatting check.
	run: cargo fmt --check
	- name: Build and test with coverage data
	run: ./coverage-run.py --no-open --no-html
	- name: Upload coverage report to Coveralls
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	path-to-lcov: scratchstack-aws-signature.lcov

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