Added comments to App

App.tsx

@@ -7,11 +7,24 @@ import { createNativeStackNavigator } from "@react-navigation/native-stack";
 import { NewPostContainer } from "./src/components/NewPostContainer";
 import { NativeStackNavigationProp } from "@react-navigation/native-stack";
 
+/**
+ * RootStackParamList defines the possible screens in the app.
+ * @typedef {object} RootStackParamList
+ * @property {undefined} Home - Home screen.
+ * @property {undefined} New - New post screen.
+ */
+
 type RootStackParamList = {
   Home: undefined;
   New: undefined;
 };
 
+/**
+ * HomeScreenNavigationProp represents the navigation prop for the Home screen.
+ * @typedef {object} HomeScreenNavigationProp
+ * @property {Function} navigate - Function to navigate to a different screen.
+ */
+
 export type HomeScreenNavigationProp = NativeStackNavigationProp<
   RootStackParamList,
   "Home"
@@ -19,17 +32,28 @@ export type HomeScreenNavigationProp = NativeStackNavigationProp<
 
 const Stack = createNativeStackNavigator();
 
+/**
+ * App function represents the main application component.
+ * @returns {JSX.Element} - The rendered App component.
+ */
 export default function App(): JSX.Element {
   return (
     <>
+      {/* Sets the status bar style */}
       <StatusBar style="light" />
+
+      {/* Navigation container for the app */}
       <NavigationContainer>
+        {/* Stack navigator for different screens */}
         <Stack.Navigator>
+          {/* Home screen */}
           <Stack.Screen
             name="Home"
             component={PostsContainer}
             options={options}
           />
+
+          {/* New post screen */}
           <Stack.Screen
             name="New"
             options={options}
@@ -41,8 +65,10 @@ export default function App(): JSX.Element {
   );
 }
 
+// Header options for the screens
 const options = {
   headerStyle: style.header,
   headerTitleStyle: style.headerTitle,
   headerTintColor: "#fff",
 };
+