chore: update readme

packages/store/README.md

@@ -1,3 +1,41 @@
 # Hana Store
 
-Hana Store is a simple, lightweight and easy to use state management library for Hana. It focuses on developer experience, stability and performance. Unlike the 100s of other state management libraries out there, Hana Store comes with a lot of features out of the box, including:
+Hana Store is a simple, lightweight and easy to use state management library for Hana. It focuses on developer experience and ease of use. It requires no boilerplate, no configuration, and no extra dependencies to get started.
+
+## Example
+
+```js
+import { createStore } from '@hanabira/store';
+
+/**
+ * Add default options based on your needs.
+ * This is optional.
+ */
+createStore({
+  state: {
+    count: 0,
+  },
+  reducers: {
+    increment: (state, payload = null) => {
+      return {
+        count: state.count + 1,
+      };
+    },
+  },
+});
+
+/**
+ * Use the store in your components.
+ */
+const Counter = () => {
+  const [count, setCount] = useStore('count');
+  const increment = useReducer('increment');
+
+  return (
+    <div>
+      <p>Count: {count}</p>
+      <button onClick={() => increment()}>Increment</button>
+    </div>
+  );
+};
+```