Added app bar to select apps

src/main.py

@@ -1,26 +1,29 @@
 import flet as ft
+from MealBuilder import builder
+from MealSelector import selector
 
 
 def main(page: ft.Page):
-    counter = ft.Text("0", size=50, data=0)
-
-    def increment_click(e):
-        counter.data += 1
-        counter.value = str(counter.data)
-        counter.update()
-
-    page.floating_action_button = ft.FloatingActionButton(
-        icon=ft.Icons.ADD, on_click=increment_click
+    main_appbar = ft.AppBar(
+        title=ft.Text("Meal Picker"),
+        bgcolor=ft.Colors.GREEN_700,
+        center_title=False,
+        actions=[
+            ft.PopupMenuButton(
+                items=[
+                    ft.PopupMenuItem(text="Meal Selector", on_click=lambda e: selector(page)),
+                    ft.PopupMenuItem(text="Meal Builder", on_click=lambda e: builder(page)),
+                ]
             )
-    page.add(
-        ft.SafeArea(
-            ft.Container(
-                counter,
-                alignment=ft.alignment.center,
-            ),
-            expand=True,
+        ]
+    )
+
+    page.appbar = main_appbar
+
+    page.add(ft.Pagelet(
+            content = ft.Text("Welcome to Meal Picker! Please select an option from the menu above to get started.")
         )    
     )
 
-
-ft.app(main)
+if __name__ == "__main__":
+    ft.app(main)