Add short flags for enabling/disabling absolute/relative line numbers… #105

	name: ci
	on: push
	jobs:
	test:
	name: test
	strategy:
	matrix:
	version: [ 1.67.0, stable ]
	platform:
	- { os: ubuntu-latest, target: x86_64-unknown-linux-gnu }
	- { os: macos-latest , target: x86_64-apple-darwin }
	runs-on: ${{ matrix.platform.os }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Install Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.version }}
	override: true
	target: ${{ matrix.platform.target }}
	components: clippy, rustfmt
	- name: Install clipboard dependencies
	if: ${{ matrix.platform.os == 'ubuntu-latest' }}
	run: sudo apt install -y libxcb-shape0-dev libxcb-xfixes0-dev
	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --target=${{ matrix.platform.target }}

	lint:
	name: lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings
	- name: Format
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

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