Make edits to the site (self-written on JS)

You must make changes to the https://luckyducky.agency/ site
The site is self-written on JS, there is an admin panel.
Changes to make here: https://docs.google.com/document/d/1OGfD_qNRJ18Kcg...
The visuals are here: https://drive.google.com/drive/u/0/folders/1Te5mdQ...