feat(ci): add GitHub Actions workflows and documentation (#4) #5

	name: Coverage

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	coverage:
	name: Code Coverage
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: llvm-tools-preview

	- name: Cache cargo registry
	uses: actions/cache@v4
	with:
	path: ~/.cargo/registry
	key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}

	- name: Cache cargo index
	uses: actions/cache@v4
	with:
	path: ~/.cargo/git
	key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}

	- name: Install grcov
	run: cargo install grcov

	- name: Build
	run: cargo build
	env:
	RUSTFLAGS: '-Cinstrument-coverage'
	LLVM_PROFILE_FILE: 'codecov-instrumentation-%p-%m.profraw'

	- name: Run tests
	run: cargo test
	env:
	RUSTFLAGS: '-Cinstrument-coverage'
	LLVM_PROFILE_FILE: 'codecov-instrumentation-%p-%m.profraw'

	- name: Generate coverage report
	run: \|
	grcov . \
	--binary-path ./target/debug/ \
	--source-dir . \
	--output-type lcov \
	--branch \
	--ignore-not-existing \
	--ignore "/*" \
	--ignore "target/*" \
	--ignore "tests/*" \
	--output-path coverage.lcov

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v4
	with:
	file: coverage.lcov
	flags: unittests
	name: codecov-umbrella
	fail_ci_if_error: false

Provide feedback