Team/Personal page enhancements

[sSwerk]

Transfer from Google Drive

• Collaborators
• H1 heading for publications, teaching, etc. (currently missing on page itself)
• Include thesis
• Name, Title(s), Job Title

Transfer from Slack

• collaborator logos on team page missing
• style of submenu on personal pages -> other button style and alignment?

[sSwerk]

Regarding H1 heading for Publications and Teaching on the Personal team page - it is H1 already, closing this point

[sSwerk]

Regarding the style of the submenu, with commit d48753b I changed it from

to this style:

Is this ok?