ci: add openapi validation workflow (#278) #8

	---
	name: openapi-validate
	on: [push]
	jobs:
	check-openapi-definition:
	runs-on: ubuntu-latest
	name: Swagger Editor Validator Remote
	steps:
	- name: 📄 Checkout the repository
	uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
	with:
	fetch-depth: 0
	- name: 🧪 Validate OpenAPI definition
	uses: char0n/swagger-editor-validate@v1
	with:
	definition-file: docs/openapi.json

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