feat: use api enpoints

src/app/[locale]/doc/page.tsx

@@ -2,6 +2,7 @@
 
 import { useState } from "react";
 import { useSession } from "next-auth/react";
+import { env } from "process";
 
 export default function GenerateKeyButton() {
   const [loading, setLoading] = useState(false);
@@ -14,7 +15,7 @@ export default function GenerateKeyButton() {
     setResult(null);
 
     try {
-      const res = await fetch("http://localhost:3001/v1/keys/generate", {
+      const res = await fetch(env.NEXT_PUBLIC_API_URL! + "/keys/generate", {
         method: "POST",
         headers: {
           "Content-Type": "application/json",