docs: improve English, Markdown, and clarity in README #248

	name: Formating validation

	on:
	pull_request:
	push:
	branches: [main]

	jobs:
	prettier:
	name: Prettier Check
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Repository
	uses: actions/checkout@v2

	- name: Run Prettier
	id: prettier-run
	uses: rutajdash/[email protected]
	with:
	config_path: ./.prettierrc
	file_pattern: "*.{js,jsx,ts,tsx,json}"

	# This step only runs if prettier finds errors causing the previous step to fail
	# This steps lists the files where errors were found
	- name: Prettier Output
	if: ${{ failure() }}
	shell: bash
	run: \|
	echo "The following files aren't formatted properly:"
	echo "${{steps.prettier-run.outputs.prettier_output}}"

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