[web] add emoji-mart dependency
Summary:
Add emoji-mart dependency. https://github.com/missive/emoji-mart#-data
Linear Task: ENG-2776
Test Plan: N/A
Reviewers: atul, ashoat
Reviewed By: atul, ashoat
Subscribers: ashoat, tomek, atul
Differential Revision: https://phab.comm.dev/D6362