feat: replace IP with tailscale url

lib/auth-client.ts

@@ -2,9 +2,10 @@ import { createAuthClient } from "better-auth/react";
 import { genericOAuthClient } from "better-auth/client/plugins";
 import { expoClient } from "@better-auth/expo/client";
 import * as SecureStore from "expo-secure-store";
+import { BASE_URL } from "@money/shared";
 
 export const authClient = createAuthClient({
-  baseURL: process.env.NODE_ENV == 'production' ? 'https://money-api.koon.us' : "http://localhost:3000",
+  baseURL: process.env.NODE_ENV == 'production' ? 'https://money-api.koon.us' : `${BASE_URL}:3000`,
   plugins: [
     expoClient({
       scheme: "money",