added fonts

lib/main.dart

@@ -25,9 +25,9 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       title: 'Floodwatch',
       theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
-        useMaterial3: true,
-      ),
+          colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+          useMaterial3: true,
+          fontFamily: 'UbuntuSansMono'),
       initialRoute: MainNavigationScaffold.routeName,
       routes: {
         MainNavigationScaffold.routeName: (context) => MainNavigationScaffold(),