Add a 32-bit platform to CI #5

	name: CI - 32-bit platform

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

	jobs:
	build-32bit:
	runs-on: ubuntu-latest
	name: Run CI in 32-bit container
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Run inside i386/ubuntu container
	uses: addnab/docker-run-action@v3
	with:
	image: i386/ubuntu:20.04
	options: -v ${{ github.workspace }}:/workspace
	run: \|
	set -eux

	apt-get update
	DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
	build-essential ca-certificates curl git wget python3 unzip pkg-config gcc-multilib libssl-dev

	cd /workspace

	# Install Rust if this repo uses it
	if [ -f Cargo.toml ]; then
	curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \| sh -s -- -y
	export PATH="$HOME/.cargo/bin:$PATH"
	rustup default stable
	fi

	# Run the project's CI task
	if [ -f Cargo.toml ]; then
	echo "Running: cargo xtask ci"
	cargo xtask ci
	else
	echo "No Cargo.toml found; nothing to run"
	exit 0
	fi

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