Add an base for docs

Signed-off-by: Nikolai Rodionov <allanger@badhouseplants.net>

src/gui/control_panel.cpp

@@ -1,13 +1,10 @@
 
+#include "qpushbutton.h"
 #include <QApplication>
 #include <QPushButton>
 
-int main(int argc, char **argv)
+void add_button()
 {
- QApplication app (argc, argv);
-
- QPushButton button ("Hello world !");
- button.show();
-
- return app.exec();
+  QPushButton button ("Hello");
+  button.show();
 }

src/gui/main.cpp

@@ -1,12 +1,11 @@
 #include <QApplication>
 #include <QPushButton>
+#include "./control_panel.cpp"
 
 int main(int argc, char **argv)
 {
  QApplication app (argc, argv);
-
- QPushButton button ("Hello world !");
- button.show();
+  add_button();
 
  return app.exec();
 }