Use maybe-async-cfg to switch between async and sync api #37

	name: CI
	on: [push]

	jobs:
	check:
	name: cargo check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rust-lang/setup-rust-toolchain@v1
	- run: cargo check --all-features

	lints:
	name: cargo clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rust-lang/setup-rust-toolchain@v1
	- run: cargo clippy --all-features

	test:
	name: cargo test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rust-lang/setup-rust-toolchain@v1
	- run: cargo test --all-features

	formatting:
	name: cargo fmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	components: rustfmt
	- name: Rustfmt Check
	uses: actions-rust-lang/rustfmt@v1

	examples:
	name: Build examples
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	example: [
	{ folder: rp2040, target: thumbv6m-none-eabi },
	{ folder: stm32g431, target: thumbv7em-none-eabi }
	]
	steps:
	- uses: actions/checkout@v4
	- uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	target: ${{ matrix.example.target }}
	- run: cd examples/${{ matrix.example.folder }} && cargo build --release --bins

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