[images] Change profile photo

[images/pictures] change avatar

[content/category/media] Add recent article on Swiss Digital Health

Revert "[env] Update pelican version"

This reverts commit 1cfda20.

[software/beat] Improve linking

Add more pertinent information to current research

[theme] Update theme to latest

[short-bio] Improved text

[short-bio] Improved text

[env.yml] List pip as package to install