add link to oshwa certificate page

[mbz4]

please make the icon on the rsc.ee page clickable and direct to the oshwa certificate page here:
https://certification.oshwa.org/ee000003.html

also, can you put the oshwa logo instead maybe?

maybe add link to oshw def?
like: https://www.mouser.com/applications/open-source-hardware/
or the OG: https://oshwa.org/definition/