feat: NEM12 headers and exporting #6

	---
	name: Test + lint
	on:
	pull_request:
	push:
	tags-ignore:
	- '*'
	paths-ignore:
	- '*.md'
	workflow_dispatch:
	permissions:
	contents: read

	jobs:
	lint:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: '3.2'
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically
	- name: Run lints
	run: bundle exec rubocop

	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby-version: ['3.1', '3.2', 'head']

	steps:
	- uses: actions/checkout@v4
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically
	- name: Run tests
	run: bundle exec rspec

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