Add storage layout diff checks #1

	name: Check Storage Layout Changes

	on:
	pull_request:
	branches: [main]
	workflow_dispatch:

	jobs:
	diff-check:
	runs-on: ubuntu-latest

	steps:
	# Checkout the PR branch
	- name: Checkout PR branch
	uses: actions/checkout@v3
	with:
	ref: ${{ github.event.pull_request.head.sha }}

	# Setup the environment (if needed)
	- name: Setup Environment
	run: \|
	# Add commands to setup environment, e.g., install dependencies
	# sudo apt-get update
	# sudo apt-get install -y your-dependency-here

	# Run the command on PR branch
	- name: Run command on PR branch
	run: yarn workspace @hyperlane-xyz/core storage HEAD-storage

	# Checkout the target branch (base)
	- name: Checkout target branch (base) contracts
	uses: actions/checkout@v3
	with:
	ref: ${{ github.event.pull_request.base.sha }}
	sparse-checkout: solidity/contracts base-storage

	# Run the command on the target branch
	- name: Run command on target branch
	run: yarn workspace @hyperlane-xyz/core storage

	# Compare outputs
	- name: Compare outputs
	run: diff --recursive solidity/HEAD-storage solidity/base-storage

	- uses: actions/upload-artifact@v3
	with:
	path: \|
	solidity/HEAD-storage
	solidity/base-storage

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