fix: loading indicator style

components/Loader.tsx

@@ -0,0 +1,18 @@
+import {
+  ActivityIndicator,
+  ActivityIndicatorProps,
+  Platform,
+  View,
+} from "react-native";
+
+interface Props extends ActivityIndicatorProps {}
+
+export const Loader: React.FC<Props> = ({ ...props }) => {
+  return (
+    <ActivityIndicator
+      size={"small"}
+      color={Platform.OS === "ios" ? "white" : "#9333ea"}
+      {...props}
+    />
+  );
+};