Added README

README.md

@@ -0,0 +1,207 @@
+# Update.js
+
+Update is a library for seamless billing, authentication, and entitlement management. It extends your existing tools like Supabase and Stripe so you can integrate without migrating away from your existing stack.
+
+## 🚀 Quickstart
+
+The easiest way to get started with Update is to use the `create-update-app` command:
+
+```bash
+npx create-update-app@latest
+```
+
+This tool will help you choose a framework and set up a fully working Update application in seconds. Just provide a name and your API keys.
+
+For source code examples, check out our [examples repository](https://github.com/updatedotdev/examples).
+
+## ✨ Features
+
+- **Authentication**: Easy integration with Supabase auth
+- **Billing**: Seamless subscription and one-time payment management
+- **Entitlements**: Simple access control for premium features
+- **Framework Support**: Built-in integration for Next.js and other SSR environments
+
+## 🔧 Installation
+
+```bash
+npm install @updatedev/js
+```
+
+For SSR environments like Next.js:
+
+```bash
+npm install @updatedev/js @updatedev/ssr
+```
+
+## 🔑 Initializing
+
+### Basic Setup
+
+```javascript
+import { createClient } from "@updatedev/js/supabase";
+
+const update = createClient({
+    process.env.NEXT_PUBLIC_UPDATE_PUBLIC_KEY!,
+    process.env.NEXT_PUBLIC_SUPABASE_URL!,
+    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
+});
+```
+
+### Environment Variables (.env.local)
+
+```
+NEXT_PUBLIC_UPDATE_PUBLIC_KEY=
+NEXT_PUBLIC_SUPABASE_URL=
+NEXT_PUBLIC_SUPABASE_ANON_KEY=
+```
+
+## 🏗️ Framework Integration
+
+### Next.js Integration
+
+Update works well with Next.js and other SSR environments. Create a `utils/update` directory with these files:
+
+#### Client (utils/update/client.ts)
+
+```typescript
+import { createBrowserClient } from '@updatedev/ssr/supabase';
+
+export function createClient() {
+  return createBrowserClient(
+    process.env.NEXT_PUBLIC_UPDATE_PUBLIC_KEY!,
+    process.env.NEXT_PUBLIC_SUPABASE_URL!,
+    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
+  );
+}
+```
+
+#### Middleware (middleware.ts in root)
+
+```typescript
+import { type NextRequest } from 'next/server';
+import { updateSession } from '@/utils/update/middleware';
+
+export async function middleware(request: NextRequest) {
+  return await updateSession(request);
+}
+
+export const config = {
+  matcher: [
+    '/((?!_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
+  ],
+};
+```
+
+#### Server (utils/update/server.ts)
+
+```typescript
+import { createServerClient } from '@updatedev/ssr/supabase';
+import { cookies } from 'next/headers';
+
+export async function createClient() {
+  const cookieStore = await cookies();
+
+  return createServerClient(
+    process.env.NEXT_PUBLIC_UPDATE_PUBLIC_KEY!,
+    process.env.NEXT_PUBLIC_SUPABASE_URL!,
+    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
+    {
+      cookies: {
+        getAll() {
+          return cookieStore.getAll();
+        },
+        setAll(cookiesToSet) {
+          try {
+            cookiesToSet.forEach(({ name, value, options }) =>
+              cookieStore.set(name, value, options)
+            );
+          } catch {
+            // The `setAll` method was called from a Server Component.
+            // This can be ignored if you have middleware refreshing
+            // user sessions.
+          }
+        },
+      },
+    }
+  );
+}
+```
+
+## 💳 Billing Features
+
+### Getting Products
+
+```typescript
+const { data, error } = await client.billing.getProducts();
+```
+
+### Creating a Checkout Session
+
+```typescript
+const { data, error } = await client.billing.createCheckoutSession(priceId, {
+  redirect_url: 'http://localhost:3000/subscription',
+});
+```
+
+### Managing Subscriptions
+
+Get user subscriptions:
+
+```typescript
+const { data } = await client.billing.getSubscriptions();
+```
+
+Cancel a subscription:
+
+```typescript
+await client.billing.updateSubscription(id, {
+  cancel_at_period_end: true,
+});
+```
+
+Reactivate a subscription:
+
+```typescript
+await client.billing.updateSubscription(id, {
+  cancel_at_period_end: false,
+});
+```
+
+## 🔐 Entitlements
+
+### List Entitlements
+
+```typescript
+const { data, error } = await client.entitlements.list();
+```
+
+### Check Entitlement
+
+```typescript
+const { data, error } = await client.entitlements.check('premium');
+```
+
+## 🔐 Authentication Extensions
+
+### Creating Auth Flow Links
+
+```typescript
+const { data, error } = await client.auth.createAuthFlowLink({
+  type: 'sign-in',
+});
+window.location.href = data.url;
+```
+
+### Verifying Auth Flow Links
+
+```typescript
+const { error } = await client.auth.verifyAuthFlowCode(code);
+```
+
+## 📚 Documentation
+
+For complete documentation, visit our website.
+
+## 🤝 License
+
+MIT

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@updatedev/js",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Update JavaScript SDK",
   "main": "./dist/index.js",
   "files": [