Update client listing - Strawberry

[dtuzi]

I would like to list/change the following JAM client implementation on https://jamcha.in/clients:

• Name: "Strawberry"
• Bio: "We are working on the Go implementation of Jam 🍓"
• Optional website: "https://www.eiger.co/"
• Language: "GO"
• Language Set: "A: "Cooperate Code""
• Finished milestones: 0
• Optional contact (email/matrix/tg etc): "hello@eiger.co"

[ggwpez]

Voilà https://jamcha.in/clients/5. Please re-open if something is wrong. Contact info will be displayed soon.