Feat/onboarding flow (#67)

* feat: onboarding-page

* fix: line height and added handlers

* fix: button variant

* fix: text-decoration

* fix: subtext

* fix: underline

* fix: padding and button spacing

* fix: according to design update

* feat: Drawer

* feat: verify-pae

* fix: verify-page styling

* feat: drawer for both confirm pin and add bio metrics added

* feat: modal added in fragments

* fix: icons and flow

* feat: Identifier Card

* fix: copy to clipboard

* feat: e-passport page

* fix: error state

* fix: colors

* fix: lint error

* fix: lint

* feat: Typography

* fix: typograpy

* fix: as per given suggestion

* fix: font-sizing

* fix: identity card implementation

* fix: spacing

* fix: padding

* fix: padding and spacing

* fix: splashscreen

* fix: error state

* fix: styling to avoid

* fix:typo

Author: grv-saini-20