Add settings page

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/styles.tsx

@@ -0,0 +1,14 @@
+import { StyleSheet } from 'react-native';
+
+const styles = StyleSheet.create({
+  marginBottom: {
+    marginBottom: 15,
+  },
+  spaceBetweenHorizontal: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'center',
+  },
+});
+
+export default styles;