chore: run all samples

Author: joscha

.travis.yml

@@ -6,4 +6,4 @@ script:
   - npm run lint
   - npm test
   - npm link --silent && npm link crawlkit-runner-accessibility-developer-tools --silent
-  - travis_retry node examples/tonic.js
+  - for f in examples/*.js; do echo "• running '$f'" && travis_retry node $f; done