refactor(tocco-ui): formField example improvements
refactor(tocco-ui): formField example improvements

- adjust id of input
- Add space between fields

Signed-off-by: Daniel Keller <2e828723628d7701dcf96f29bb7056010add88dd@tocco.ch>

tocco/tocco-client,tocco/tocco-client,tocco/tocco-client