:new: :bento: Add new team logo to index page
    
    This commits the PNG copy of the new team logo. See the related GitLab
    issue for the design and source material:
    
    https://gitlab.com/fedora/design/team/logos/fedora-team-community-logos/-/issues/1#note_1386788682
    
    Kudos to @ekidney and @jesschitas here for the great work!
    
    Signed-off-by: Justin W. Flory (he/him) <jwf@redhat.com>