https://www.npmjs.com/package/@openapitools/openapi-generator-cli
npm install -g @openapitools/openapi-generator-cli
npm install -g @angular/cli
schema.yml
openapi-generator-cli generate --additional-properties=featureCORS=true -i ./schema.yaml -g go-server -o ./backend
ng new frontend
openapi-generator-cli generate -g typescript-angular -i ./schema.yaml -o ./frontend/openapi