update: add cypress

.gitignore

.gitlab-ci.yml

cypress.json

cypress/examples/actions.spec.js

cypress/examples/aliasing.spec.js

cypress/examples/assertions.spec.js

cypress/examples/connectors.spec.js

cypress/examples/cookies.spec.js

cypress/examples/cypress_api.spec.js

cypress/examples/files.spec.js

cypress/examples/local_storage.spec.js

cypress/examples/location.spec.js

cypress/examples/misc.spec.js

cypress/examples/navigation.spec.js

cypress/examples/network_requests.spec.js

cypress/examples/querying.spec.js

cypress/examples/spies_stubs_clocks.spec.js

cypress/examples/traversal.spec.js

cypress/examples/utilities.spec.js

cypress/examples/viewport.spec.js