Add "Followers you know" to hovercard (#34769)

app/javascript/mastodon/components/counters.tsx

@@ -43,3 +43,17 @@ export const FollowersCounter = (
     }}
   />
 );
+
+export const FollowersYouKnowCounter = (
+  displayNumber: React.ReactNode,
+  pluralReady: number,
+) => (
+  <FormattedMessage
+    id='account.followers_you_know_counter'
+    defaultMessage='{counter} you know'
+    values={{
+      count: pluralReady,
+      counter: <strong>{displayNumber}</strong>,
+    }}
+  />
+);