Merge readme

README.md

@@ -1,3 +1,24 @@
-# 🤖sulla
-
+# 🤖 sulla
 Javascript whatsapp framework (web whatsapp driver)
+
+## Instalation
+
+```bash
+> npm i sulla
+```
+## Usage
+
+```javascript
+import { init } from 'sulla';
+
+init().then(client => start(client));
+
+function start(client) {
+  client.onMessage().subscribe(message => {
+    if (message.body === 'Hi') {
+      client.sendText(message.from, '👋 Hello from sulla!');
+    }
+  });
+}
+
+```