Use ALF for signup flow, improve a11y of signup (#3151)

* Use ALF for signup flow, improve a11y of signup

* adjust padding

* rm log

* org imports

* clarify allowance of hyphens

Co-authored-by: surfdude29 <149612116+surfdude29@users.noreply.github.com>

* fix a few accessibility items

* Standardise date input across platforms (#3223)

* make the date input consistent across platforms

* integrate into new signup form

* rm log

* add transitions

* show correct # of steps

* use `FormError`

* animate buttons

* use `ScreenTransition`

* fix android text overflow via flex -> flex_1

* change button color

* (android) make date input the same height as others

* fix deps

* fix deps

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Co-authored-by: surfdude29 <149612116+surfdude29@users.noreply.github.com>
Co-authored-by: Samuel Newman <mozzius@protonmail.com>

assets/icons/pencil_stroke2_corner0_rounded.svg

@@ -0,0 +1 @@
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