Silkscreen: add hyperlinks
- Below "Licensed under CERN-OHL..." add link to the license page: https://ohwr.org/cernohl
- Fit "Distributed I/O Tier Peripheral Board FMC Carrier" in 2 lines instead of 3
- Below "Distributed I/O Tier Peripheral..." add link to the project page: https://ohwr.org/project/diot-pfc-ku