adding default `rustfmt.toml` file #32

	name: CI

	permissions:
	contents: write

	# Use our Nix Flake Environment for steps
	defaults:
	run:
	shell: nix develop --command bash {0}

	on:
	pull_request:
	branches: [ "main" ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	check:
	if: github.event.pull_request.draft == false
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.head_ref }}
	- uses: cachix/install-nix-action@v22
	with:
	nix_path: nixpkgs=channel:nixos-unstable
	- name: Check formatting
	if: github.event.pull_request.head.repo.full_name != github.repository
	run: cargo fmt --check --verbose

	- name: Format code
	id: format_code
	if: github.event.pull_request.head.repo.full_name == github.repository
	run: \|
	cargo fmt --verbose
	echo "modified=$(if git diff-index --quiet HEAD --; then echo "false"; else echo "true"; fi)" >> $GITHUB_OUTPUT

	- name: Committing reformatted code
	if: \|
	steps.format_code.outputs.modified == 'true' &&
	github.event.pull_request.head.repo.full_name == github.repository
	run: \|
	git config --global user.name 'Github Actions'
	git config --global user.email '<>'
	git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
	git commit -am "Automated formatting"
	git push

	- name: Check best practices (Clippy)
	run: cargo clippy --verbose

	- name: Check for build errors
	run: cargo check --verbose

	- name: Running tests
	run: cargo test --verbose

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