Switch from cra to vite

packages/frontend/src/utils/snowball.ts

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+import { LitGoogleAuth } from "@snowballtools/auth-lit";
+import { Snowball, SnowballChain } from "@snowballtools/js-sdk";
+// import { LinkLitAlchemyLight } from '@snowballtools/link-lit-alchemy-light';
+
+export const DOMAIN = import.meta.env.VITE_DOMAIN || "localhost";
+export const ORIGIN =
+  import.meta.env.VITE_VERCEL_ENV === "production"
+    ? `https://${DOMAIN}`
+    : `http://${DOMAIN}:3000`;
+
+// prettier-ignore
+
+export const snowball = Snowball.withAuth(
+  LitGoogleAuth.configure({
+    litReplayApiKey: import.meta.env.VITE_LIT_RELAY_API_KEY!,
+  }),
+).create({
+  initialChain: SnowballChain.sepolia,
+});

packages/frontend/src/utils/use-snowball.ts

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+import { useEffect, useState } from 'react';
+import { snowball } from './snowball';
+
+export function useSnowball() {
+  const [state, setState] = useState(100);
+
+  useEffect(() => {
+    // Subscribe and directly return the unsubscribe function
+    return snowball.subscribe(() => setState(state + 1));
+  }, [snowball]);
+
+  return snowball;
+}