Merge pull request #561 from Nipodemos/fix-nested-routing-docs

fix(docs): fix page argument in GetPageRoute that needs to be a function

@@ -346,8 +346,6 @@ void main () {
     )
   )
 }
-
-
 ```
 
 #### SmartManagement.full

@@ -496,7 +496,7 @@ Navigator(
   onGenerateRoute: (settings) {
     if (settings.name == '/') {
       return GetPageRoute(
-        page: Scaffold(
+        page: () => Scaffold(
           appBar: AppBar(
             title: Text("Main"),
           ),
@@ -513,7 +513,7 @@ Navigator(
       );
     } else if (settings.name == '/second') {
       return GetPageRoute(
-        page: Center(
+        page: () => Center(
           child: Scaffold(
             appBar: AppBar(
               title: Text("Main"),

@@ -497,7 +497,7 @@ Navigator(
   onGenerateRoute: (settings) {
     if (settings.name == '/') {
       return GetPageRoute(
-        page: Scaffold(
+        page: () => Scaffold(
           appBar: AppBar(
             title: Text("Main"),
           ),
@@ -514,7 +514,7 @@ Navigator(
       );
     } else if (settings.name == '/second') {
       return GetPageRoute(
-        page: Center(
+        page: () => Center(
           child: Scaffold(
             appBar: AppBar(
               title: Text("Main"),

@@ -490,7 +490,7 @@ Navigator(
   onGenerateRoute: (settings) {
     if (settings.name == '/') {
       return GetPageRoute(
-        page: Scaffold(
+        page: () => Scaffold(
           appBar: AppBar(
             title: Text("Principal"),
           ),
@@ -507,7 +507,7 @@ Navigator(
       );
     } else if (settings.name == '/segunda') {
       return GetPageRoute(
-        page: Center(
+        page: () => Center(
           child: Scaffold(
             appBar: AppBar(
               title: Text("Principal"),