Top assistants page (#740)
* Basic top assistants page
* remove featured check
* fix edit
* ui update
* ui
* mishig review
* fix
* move feedback link to settings
* misc
* Hide unlisted models in assistants flow
* settings + public label
* tweak
* font-size
* Hide top assistant page for soft release
* always show author
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Co-authored-by: Victor Mustar <victor.mustar@gmail.com>
