add rust-toolchain.toml #290

	name: universal-rs

	on:
	push:
	branches: [main]
	pull_request:
	paths:
	- 'universal/**'

	env:
	CARGO_TERM_COLOR: always

	jobs:
	test:
	name: test
	runs-on: ubuntu-latest
	timeout-minutes: 30
	strategy:
	fail-fast: false
	steps:
	- uses: actions/checkout@v4
	- name: Install toolchain
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUSTC_VERSION }}
	- uses: Swatinem/rust-cache@v2
	- name: test
	run: cd universal/rs && cargo test --workspace --all-features

	clippy:
	name: clippy
	runs-on: ubuntu-latest
	timeout-minutes: 30
	steps:
	- uses: actions/checkout@v4
	- name: Install toolchain
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUSTC_VERSION }}
	- run: cd universal/rs && cargo clippy --workspace --all-targets
	env:
	RUSTFLAGS: -Dwarnings

	docs:
	name: docs
	runs-on: ubuntu-latest
	timeout-minutes: 30
	steps:
	- uses: actions/checkout@v4
	- name: Install toolchain
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUSTC_VERSION }}
	components: rust-docs
	- run: cd universal/rs && cargo doc --workspace --no-deps --document-private-items
	env:
	RUSTDOCFLAGS: "--cfg docsrs -D warnings"

	fmt:
	name: fmt
	runs-on: ubuntu-latest
	timeout-minutes: 30
	steps:
	- uses: actions/checkout@v4
	- name: Install toolchain
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUSTC_VERSION }}
	components: rustfmt
	- run: cd universal/rs && cargo fmt --all --check

Provide feedback