Use the React-Native-Community Circle-CI orb

We are currently using the base Node.js image (#10) to run a small portion of our tests. The react-native-circleci-orb should allow us to start up an Android simulator and execute ekke to run our full test suite.

Acceptance Criteria

• The allow the use of third-party orbs in our organization.
• Our .circleci/config.yml has been upgraded to use the react-native-circleci-orb
• CCI runs our npm run setup method to create the required development folders.
• CCI creates the Android simulator.
• CCI starts the Android simulator.
• CCI builds the application that got created with npm run setup.
• We run npm run test:all to execute our ekke and node based tests.