[D1X] Add interstitials, component tweaks, placeholders (#4697)

* Add interstitials, component tweaks, placeholders

* Tweak feed card styles

* Port over same fix to ProfileCard

* Add browse more link on desktop

* Rm Gemfile

* Update logContext

* Update logContext

* Add click metric to cards

* Pass through props to ProfileCard.Link

* 2-up grid for profile cards on desktop web

* Add secondary_inverted button color

* Use inverted button color

* Adjust follow button layout

* Update skeleton

* Use round button

* Translate

src/view/screens/Feeds.tsx

@@ -642,6 +642,7 @@ function SavedFeed({
   const t = useTheme()
 
   const commonStyle = [
+    a.w_full,
     a.flex_1,
     a.px_lg,
     a.py_md,

src/view/screens/Storybook/Buttons.tsx

@@ -20,7 +20,7 @@ export function Buttons() {
       <H1>Buttons</H1>
 
       <View style={[a.flex_row, a.flex_wrap, a.gap_md, a.align_start]}>
-        {['primary', 'secondary', 'negative'].map(color => (
+        {['primary', 'secondary', 'secondary_inverted'].map(color => (
           <View key={color} style={[a.gap_md, a.align_start]}>
             {['solid', 'outline', 'ghost'].map(variant => (
               <React.Fragment key={variant}>