Add necessary TypeScript build files for web app

apps/web/tsconfig.app.tsbuildinfo

@@ -0,0 +1 @@
+{"root":["./src/app.tsx","./src/authcontext.tsx","./src/api.ts","./src/main.tsx","./src/types.ts","./src/components/authmodal.tsx","./src/components/billcard.tsx","./src/components/footer.tsx","./src/components/header.tsx","./src/components/logo.tsx","./src/pages/billdetailpage.tsx","./src/pages/homepage.tsx","./src/pages/newbillpage.tsx"],"version":"5.8.3"}

apps/web/vite.config.d.ts

@@ -0,0 +1,2 @@
+declare const _default: import("vite").UserConfig;
+export default _default;

apps/web/vite.config.js

@@ -0,0 +1,9 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+export default defineConfig({
+    plugins: [react()],
+    server: {
+        port: 5173,
+        proxy: { "/api": "http://localhost:4000" },
+    },
+});