refactor: remove electron-related code

src/hooks/useFetchRelayList.tsx

@@ -0,0 +1,23 @@
+import { TRelayList } from '@/types'
+import { useEffect, useState } from 'react'
+import client from '@/services/client.service'
+
+export function useFetchRelayList(pubkey?: string | null) {
+  const [relayList, setRelayList] = useState<TRelayList>({ write: [], read: [] })
+
+  useEffect(() => {
+    const fetchRelayList = async () => {
+      if (!pubkey) return
+      try {
+        const relayList = await client.fetchRelayList(pubkey)
+        setRelayList(relayList)
+      } catch (err) {
+        console.error(err)
+      }
+    }
+
+    fetchRelayList()
+  }, [pubkey])
+
+  return relayList
+}