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/Profile/Header/ProfileHeaderStandard.tsx

@@ -267,7 +267,7 @@ let ProfileHeaderStandard = ({
                   t.atoms.text,
                   gtMobile ? a.text_4xl : a.text_3xl,
                   a.self_start,
-                  a.font_heavy,
+                  a.font_bold,
                   a.leading_tight,
                 ]}>
                 {sanitizeDisplayName(