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/components/FeedCard.tsx

@@ -128,7 +128,7 @@ export function TitleAndByline({
     <View style={[a.flex_1]}>
       <Text
         emoji
-        style={[a.text_md, a.font_bold, a.leading_snug]}
+        style={[a.text_md, a.font_semi_bold, a.leading_snug]}
         numberOfLines={1}>
         {title}
       </Text>
@@ -214,7 +214,7 @@ export function DescriptionPlaceholder() {
 export function Likes({count}: {count: number}) {
   const t = useTheme()
   return (
-    <Text style={[a.text_sm, t.atoms.text_contrast_medium, a.font_bold]}>
+    <Text style={[a.text_sm, t.atoms.text_contrast_medium, a.font_semi_bold]}>
       <Trans>
         Liked by <Plural value={count || 0} one="# user" other="# users" />
       </Trans>