Add AirPlay casting button

src/screens/Player/components/Casting.ios.tsx

@@ -0,0 +1,25 @@
+import { THEME_COLOR } from 'CONSTANTS';
+import React from 'react';
+import AirPlayButton from 'react-native-airplay-button';
+import styled from 'styled-components/native';
+import { CastingProps } from './Casting';
+
+const Button = styled.View`
+    margin: 20px 40px;
+`;
+
+function Casting({ fill }: CastingProps) {
+    return (
+        <>
+            <Button>
+                <AirPlayButton 
+                    activeTintColor={THEME_COLOR}
+                    tintColor={fill}
+                    style={{ width: 40, height: 40 }}
+                />
+            </Button>
+        </>
+    );
+}
+
+export default Casting;