Add cargo deny, lints and test workflows #3

	name: Rust Lints

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	concurrency:
	group: rust-lints-${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	env:
	CARGO_TERM_COLOR: always
	RUST_LOG: "error"
	RUST_BACKTRACE: short
	CARGO_INCREMENTAL: 0

	jobs:
	rustfmt:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
	- name: Install latest nightly
	run: rustup toolchain install nightly --component rustfmt --allow-downgrade
	- name: Check Rust formatting
	run: cargo +nightly fmt -- --check

	clippy:
	needs:
	- rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
	- name: Install Rust Clippy
	run: rustup component add clippy
	- name: Run Clippy Linter
	run: cargo clippy -- -D warnings

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