[EcoHouse] Adapt Imprint and Support Email in Global Conf.
[EcoHouse] Adapt Imprint and Support Email in Global Conf.

- Adapt the `imprint` for the platform instance to UB/BIBA
  as platform-owners and SRFG as platform providers
- Refactor Support email to UB instance

Signed-off-by: Shantanoo <995c1b5948015fe52140bd6a304f6f4b994eccbf@gmail.com>

nimble-platform/frontend-service,nimble-platform/frontend-service,nimble-platform/frontend-service,nimble-platform/frontend-service