update tab

app/(tabs)/warning.tsx

@@ -0,0 +1,35 @@
+import { Platform, ScrollView, StyleSheet, Text, View } from "react-native";
+import { SafeAreaView } from "react-native-safe-area-context";
+
+export default function warning() {
+  return (
+    <SafeAreaView style={{ flex: 1 }}>
+      <ScrollView contentContainerStyle={styles.scrollContent}>
+        <View style={styles.container}>
+          <Text style={styles.titleText}>Cảnh báo</Text>
+        </View>
+      </ScrollView>
+    </SafeAreaView>
+  );
+}
+
+const styles = StyleSheet.create({
+  scrollContent: {
+    flexGrow: 1,
+  },
+  container: {
+    alignItems: "center",
+    padding: 15,
+  },
+  titleText: {
+    fontSize: 32,
+    fontWeight: "700",
+    lineHeight: 40,
+    marginBottom: 30,
+    fontFamily: Platform.select({
+      ios: "System",
+      android: "Roboto",
+      default: "System",
+    }),
+  },
+});