feat: support Conventional Commits via --type flag (#177)

Co-authored-by: Hiroki Osame <hiroki.osame@gmail.com>

tests/specs/openai/index.ts

@@ -0,0 +1,7 @@
+import { testSuite } from 'manten';
+
+export default testSuite(({ describe }) => {
+	describe('OpenAI', ({ runTestSuite }) => {
+		runTestSuite(import('./conventional-commits.js'));
+	});
+});