Add ability to feature and unfeature hashtags from web UI (#34490)

app/javascript/mastodon/api/tags.ts

@@ -10,6 +10,12 @@ export const apiFollowTag = (tagId: string) =>
 export const apiUnfollowTag = (tagId: string) =>
   apiRequestPost<ApiHashtagJSON>(`v1/tags/${tagId}/unfollow`);
 
+export const apiFeatureTag = (tagId: string) =>
+  apiRequestPost<ApiHashtagJSON>(`v1/tags/${tagId}/feature`);
+
+export const apiUnfeatureTag = (tagId: string) =>
+  apiRequestPost<ApiHashtagJSON>(`v1/tags/${tagId}/unfeature`);
+
 export const apiGetFollowedTags = async (url?: string) => {
   const response = await api().request<ApiHashtagJSON[]>({
     method: 'GET',