Reorganize custom feeds in the view layer

src/lib/hooks/useCustomFeed.ts

@@ -0,0 +1,27 @@
+import {useEffect, useState} from 'react'
+import {useStores} from 'state/index'
+import {CustomFeedModel} from 'state/models/feeds/custom-feed'
+
+export function useCustomFeed(uri: string) {
+  const store = useStores()
+  const [item, setItem] = useState<CustomFeedModel>()
+  useEffect(() => {
+    async function fetchView() {
+      const res = await store.agent.app.bsky.feed.getFeedGenerator({
+        feed: uri,
+      })
+      const view = res.data.view
+      return view
+    }
+    async function buildFeedItem() {
+      const view = await fetchView()
+      if (view) {
+        const temp = new CustomFeedModel(store, view)
+        setItem(temp)
+      }
+    }
+    buildFeedItem()
+  }, [store, uri])
+
+  return item
+}