* made button same height when loading, added timeout to language settings / avatar page
* fix: make button click always work, shrink inputs and add more space between logo and page content
* fix: don't open keyboard automatically in signup/login pages
* fix: make language dropdown hint text accurate
* feat: if a user logs in with SSO, allow them to set their username in the account setup page
* initial design updates to signup/login process
* feat: added signup/login assets, better button styling and animations
* fix: signup / login updated based on mobile testing
