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/Takendown.tsx

@@ -148,7 +148,7 @@ export function Takendown() {
               <Logo width={64} />
             </View>
 
-            <Text style={[a.text_4xl, a.font_heavy, a.pb_md]}>
+            <Text style={[a.text_4xl, a.font_bold, a.pb_md]}>
               {isAppealling ? (
                 <Trans>Appeal suspension</Trans>
               ) : (