feat: update body layout with new widgets and text

lib/main.dart

@@ -17,8 +17,12 @@ class TheApp extends StatelessWidget {
           title: const Text("Tamagochi 2.0"),
           centerTitle: true,
         ),
-        body: Container(
+        body: Column(
-          child: const Text("this is a body"),
+          children: [
+Icon(Icons.scale), Text("Body Mass"), // I would like icon to be in the same row as text; ai!
+Text("Fat Pct"),
+Text("Daily Caloric Norm"),
+          ],
         ),
       )
     );