Add registration dialog and bare-minimum auth

iFacility/loginwindow.h

@@ -2,20 +2,31 @@
 #define LOGINWINDOW_H
 
 #include <QMainWindow>
+#include <QMessageBox>
+
+#include "objects/user.h"
+#include "db/database.h"
+
+#include "registrationdialog.h"
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class LoginWindow; }
 QT_END_NAMESPACE
 
-class LoginWindow : public QMainWindow
-{
+class LoginWindow : public QMainWindow {
+private:
     Q_OBJECT
 
+    Ui::LoginWindow *ui;
+
+    void checkForFirstRun();
+    void doLogin();
+
 public:
     LoginWindow(QWidget *parent = nullptr);
     ~LoginWindow();
 
-private:
-    Ui::LoginWindow *ui;
+public slots:
+    void validateForm();
 };
 #endif // LOGINWINDOW_H