Lint

[WIP]feat: introduce 2-phases aggregation #1678

	name: Lint
	# Lint runs golangci-lint over the entire imuachain repository. The `golangci` will pass without
	# running if no *.{go, mod, sum} files have been changed.
	on:
	merge_group:
	pull_request:
	push:
	branches:
	- develop
	- main
	- master

	permissions:
	contents: read

	jobs:
	golangci:
	name: Run golangci-lint
	runs-on: ubuntu-latest
	timeout-minutes: 10
	steps:
	# Required: setup-go, for all versions v3.0.0+ of golangci-lint
	- uses: actions/setup-go@v5
	with:
	go-version: '1.21.12'
	# Use pinned versions, not git versions
	check-latest: false
	# Match `golangci-lint-action` recommendation
	cache: false
	- uses: actions/checkout@v4
	# Only operate if there are any differences in go files
	- uses: technote-space/get-diff-action@v6.1.2
	with:
	PATTERNS: \|
	/.go
	go.mod
	go.sum
	# Now, the actual golangci-lint configuration
	- uses: golangci/golangci-lint-action@v4
	with:
	version: "v1.59.1"
	args: --timeout 10m
	github-token: ${{ secrets.github_token }}
	# Check only if there are differences in the source code
	if: "env.GIT_DIFF"
	markdown-lint:
	name: Run markdown-lint
	runs-on: ubuntu-latest
	timeout-minutes: 10
	steps:
	- uses: actions/checkout@v4
	- uses: technote-space/get-diff-action@v6.1.2
	with:
	PATTERNS: \|
	/.md
	- uses: nosborn/github-action-markdown-cli@v3.3.0
	with:
	files: .
	config_file: .markdownlint.yml
	ignore_path: .markdownlintignore
	# Check only if there are differences in the source code
	if: env.GIT_DIFF

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