Migrate to @bsky.app/alf package (#9030)

* Add storybook shortcut in dev

* Migrate to alg pkg

* Migrate font_bold to new font_semi_bold

* Migrate font_heavy to font_bold

* Fix old theme refs

* Remove leading util

* Bump

* Revert "Add storybook shortcut in dev"

This reverts commit 7a86195c77fb5d449c7782e64ebabb6addfab919.

* Remove alf script

* Adjust font scale

* Bump

* Bump pkg

* Migrate values from conflicts

* Create default themes outside react

* Use built-in alf utils

* Migrate old font styles

* Remove unused tokens

* Move theme creation to more appropriate file

* Update button colors

* Adjust TextField colors, line heights

src/screens/SignupQueued.tsx

@@ -123,7 +123,7 @@ export function SignupQueued() {
               <Logo width={120} />
             </View>
 
-            <Text style={[a.text_4xl, a.font_heavy, a.pb_sm]}>
+            <Text style={[a.text_4xl, a.font_bold, a.pb_sm]}>
               <Trans>You're in line</Trans>
             </Text>
             <P style={[t.atoms.text_contrast_medium]}>
@@ -146,7 +146,7 @@ export function SignupQueued() {
               ]}>
               {typeof placeInQueue === 'number' && (
                 <Text
-                  style={[a.text_5xl, a.text_center, a.font_heavy, a.mb_2xl]}>
+                  style={[a.text_5xl, a.text_center, a.font_bold, a.mb_2xl]}>
                   {placeInQueue}
                 </Text>
               )}