docs: update Readme

Author: thebiltheory

README.md

@@ -5,6 +5,9 @@
 
 Generate react-native pickers with range numbers.
 
+## Example
+<img src="https://i.ibb.co/0GkCZnz/ezgif-3-f565f85e890a.gif" alt="ezgif-3-f565f85e890a" width="300px" border="0">
+
 ## Install
 
 ```bash
@@ -16,6 +19,7 @@ yarn add react-native-number-please
 ```javascript
 import React from "react";
 import { View, Text } from "react-native";
+
 import NumberPlease from "react-native-number-please";
 
 const OrderPizza = () => {
@@ -35,3 +39,37 @@ const OrderPizza = () => {
   );
 };
 ```
+
+```javascript
+import React from "react";
+import { View, Text } from "react-native";
+
+import NumberPlease from "react-native-number-please";
+
+const ItsYourBirthday = () => {
+  const initialBirthday = [
+    { id: "day", value: 16 },
+    { id: "month", value: 4 },
+    { id: "year", value: 1970 },
+  ];
+
+  const [birthday, setBirtday] = useState(initialBirthday);
+
+  const date = [
+    { id: "day", label: "", min: 0, max: 31 },
+    { id: "month", label: "", min: 0, max: 12 },
+    { id: "year", label: "", min: 1900, max: new Date().getFullYear()
+  },
+
+  return (
+    <View>
+      <Text>My birthday</Text>
+      <NumberPlease
+        digits={date}
+        values={birthday}
+        onChange={(values) => setBirtday(values)}
+      />
+    </View>
+  );
+};
+```