include contributing guidelines

Author: drewmullen

.github/contributing.md

@@ -0,0 +1,35 @@
+# Contributing
+
+When contributing to this repository, please first discuss the change you wish to make via issue,
+email, or any other method with the owners of this repository before making a change.
+
+Please note we have a code of conduct, please follow it in all your interactions with the project.
+
+## Pull Request Process
+
+1. Ensure any install or build dependencies are removed before the end of the layer when doing a build.
+2. Update the README.md with details of changes including example hcl blocks and [example files](./examples) if appropriate.
+3. Run pre-commit hooks `pre-commit run -a`.
+3. Once all outstanding comments and checklist items have been addressed, your contribution will be merged! Merged PRs will be included in the next release. The terraform-aws-vpc maintainers take care of updating the CHANGELOG as they merge.
+
+## Checklists for contributions
+
+- [ ] Add [semantics prefix](#semantic-pull-requests) to your PR or Commits (at least one of your commit groups)
+- [ ] CI tests are passing
+- [ ] README.md has been updated after any changes to variables and outputs. See https://github.com/terraform-aws-modules/terraform-aws-vpc/#doc-generation
+- [ ] Run pre-commit hooks `pre-commit run -a`
+
+## Semantic Pull Requests
+
+To generate changelog, Pull Requests or Commits must have semantic and must follow conventional specs below:
+
+- `feat:` for new features
+- `fix:` for bug fixes
+- `improvement:` for enhancements
+- `docs:` for documentation and examples
+- `refactor:` for code refactoring
+- `test:` for tests
+- `ci:` for CI purpose
+- `chore:` for chores stuff
+
+The `chore` prefix skipped during changelog generation. It can be used for `chore: update changelog` commit message by example.

README.md

@@ -191,6 +191,12 @@ It is possible to integrate this VPC module with [terraform-aws-transit-gateway
 - [Manage Default VPC](https://github.com/terraform-aws-modules/terraform-aws-vpc/tree/master/examples/manage-default-vpc)
 - [Few tests and edge case examples](https://github.com/terraform-aws-modules/terraform-aws-vpc/tree/master/examples/issues)
 
+## Contributing
+
+Report issues/questions/feature requests on in the [issues](https://github.com/terraform-aws-modules/terraform-aws-vpc/issues/new) section.
+
+Full contributing [guidelines are covered here](.github/CONTRIBUTING.md).
+
 <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
 ## Requirements