fix: horizontal_line should rep (len-2) times when use left_arrow #240

	name: Linting and style checking

	on:
	push:
	pull_request:

	jobs:
	luacheck:
	name: Luacheck
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Prepare
	run: \|
	sudo apt-get update
	sudo apt-get install luarocks -y
	sudo luarocks install luacheck

	- name: Run Luacheck
	run: luacheck .

	stylua:
	name: StyLua
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Lint with stylua
	uses: JohnnyMorganz/stylua-action@v2
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	version: latest
	args: --check .

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