* Add mock-files, API calls and overall tokens-UI
* Added ability to add tokens
* Added token deletion feature (based on timestamp)
* Replace mock-method by real API code
* Add cypress tests
* Added CHANGELOG information
* Un-access-ify i18n
* Set unique react-element key to timestamp of token-creation
* Remove 'now' from changelog
* Use @mrdrogdrog's suggestion for the info label
