general minor modifications

lib/main.dart

@@ -160,6 +160,7 @@ class _MyHomePageState extends State<MyHomePage> {
     "/legs",
     "/traction",
     "/trips",
+    "/add",
   ];
 
   int _getIndexFromLocation(String location) {
@@ -263,14 +264,10 @@ class _MyHomePageState extends State<MyHomePage> {
           NavigationDestination(icon: Icon(Icons.list), label: "Entries"),
           NavigationDestination(icon: Icon(Icons.train), label: "Traction"),
           NavigationDestination(icon: Icon(Icons.book), label: "Trips"),
+          NavigationDestination(icon: Icon(Icons.add), label: "Add"),
         ],
       ),
       body: currentPage,
-      floatingActionButton: FloatingActionButton(
-        onPressed: () => {context.push("/add")},
-        tooltip: 'New Entry',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 }