GP: Credits page

[xbpcb]

Fix #673

[jimaek]

• Need to fix the slider
• Lets update the values to proper ones. @MartinKolarik I believe the excel doc is accurate, right?
• "Host a probe" probably lets link to /#:~:text=Our%20users%3A-,Join%20the%20network,-To%20join%20the
• The fonts seem all wrong, different sizes everywhere, too small in other places. I think its best to use the one within the explanation sections