implement separated save action

src/app/browser/main/tab.cpp

@@ -107,7 +107,7 @@ Tab::Tab(
     );
 }
 
-void Tab::shutdown()
+void Tab::save()
 {
     char * error; // @TODO
 
@@ -154,6 +154,11 @@ void Tab::shutdown()
             &error
         );
     }
+}
+
+void Tab::shutdown()
+{
+    save();
 
     // @TODO shutdown children components
 }

src/app/browser/main/tab.hpp

@@ -94,6 +94,8 @@ namespace app::browser::main
                     const int & PAGE_NUMBER
                 );
 
+            void save();
+
             void shutdown();
 
             // Getters