fix: add iam actions #19

	name: Generate terraform docs
	on:
	- pull_request

	jobs:
	docs:
	runs-on: ubuntu-latest
	if: "!contains(github.event.head_commit.message, '[ci skip]')"
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	ref: ${{ github.event.pull_request.head.ref }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}

	- name: Render terraform docs and push changes back to PR
	uses: terraform-docs/gh-actions@v1.0.0
	with:
	working-dir: .,examples/mwaa/environment,examples/mwaa/switch
	args: --sort-by required
	indention: 3
	output-file: README.md
	output-method: inject
	git-push: "true"
	git-commit-message: "terraform-docs: automated commit"

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