Add Jiri Lundak as new member

[lundak]

I would like to create a new open source repo for a Baloise project.

Config changes proposed in this pull request

For new organization members

I acknowledge that

• [x] I have read and understood the Open Source Guidelines
• [x] I agree to act accordingly (with due dilligence) to our guidelines
• [x] I have no open questions regarding the topics covered (please delete the "open questions" section)

Open questions

[kullmanp]

@lundak , would you please agree to our open source guidelines and ackowledge the other items as well?

[lundak]

@kullmanp Sorry, absolutely I agree to the guidelines. Just updated to comment to acknowledge.