add: component Loading

Author: htnghia1423

src/components/Loading.tsx

@@ -0,0 +1,21 @@
+import React from 'react';
+import { ActivityIndicator, StyleSheet, View } from 'react-native';
+
+const Loading = () => {
+	return (
+		<View style={styles.container}>
+			<ActivityIndicator size="large" color="#007BFF" />
+		</View>
+	);
+};
+
+const styles = StyleSheet.create({
+	container: {
+		flex: 1,
+		justifyContent: 'center',
+		alignItems: 'center',
+		backgroundColor: '#FFFFFF',
+	},
+});
+
+export default Loading;