docs: More on key timeout, key chord limitations #4

	name: Rust checks

	on: [push, pull_request]

	permissions:
	contents: read

	jobs:
	rustfmt:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@stable
	- name: cargo fmt
	run: cargo fmt --check --all

	clippy:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@stable
	- name: Install deps
	run: \|
	sudo apt install gettext libncurses5-dev libpcre2-dev python3-pip tmux
	sudo pip3 install pexpect
	- name: cmake
	run: \|
	cmake -B build
	- name: cargo clippy
	# This used to have --deny=warnings, but that turns rust release day
	# into automatic CI failure day, so we don't do that.
	run: cargo clippy --workspace --all-targets

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