chore: add AvroValidationRule for names and symbols #442

	name: Lint PR title

	on:
	pull_request_target:
	types: [opened, reopened, synchronize, edited, ready_for_review]

	jobs:
	lint-pr-title:
	name: Lint PR title
	runs-on: ubuntu-latest
	steps:
	- if: ${{ always() }}
	uses: amannn/action-semantic-pull-request@505e44b4f33b4c801f063838b3f053990ee46ea7 #version 4.6.0
	id: lint_pr_title
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	subjectPattern: ^(?![A-Z]).+$
	subjectPatternError: \|
	The subject "{subject}" found in the pull request title "{title}" should start with a lowercase character.

	# Comments the error message from the above lint_pr_title action
	- if: ${{ always() && steps.lint_pr_title.outputs.error_message != null}}
	name: Comment on PR

	uses: marocchino/sticky-pull-request-comment@39c5b5dc7717447d0cba270cd115037d32d28443 #version 2.2
	with:
	header: pr-title-lint-error
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	message: \|

	We require all PRs to follow [Conventional Commits specification](https://www.conventionalcommits.org/en/v1.0.0/).
	More details 👇🏼
	```
	${{ steps.lint_pr_title.outputs.error_message}}
	```
	# deletes the error comment if the title is correct
	- if: ${{ steps.lint_pr_title.outputs.error_message == null }}
	name: delete the comment
	uses: marocchino/sticky-pull-request-comment@39c5b5dc7717447d0cba270cd115037d32d28443 #version 2.2
	with:
	header: pr-title-lint-error
	delete: true
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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