add API node nexus01.co.uk with correct regional setting (Northern Europe).

General

General

Please make sure the following is done:

• Pull request is onto develop
  ok
• If you haven't already, have a look at
  • https://github.com/bitshares/bitshares-ui/blob/develop/CODE_OF_CONDUCT.md
  • https://github.com/bitshares/bitshares-ui/blob/develop/CONTRIBUTING.md
    ok

Code Preparation

Please review all your changes one last time before committing

• Check for unused code
• No unrelated changes are included
• None of the changed files are reformatting only
• Code is self explanatory or documented
• All written text is properly translated (english language)

Testing

User interface changes