Models registry was added

services/modelsregister.cpp

@@ -0,0 +1,23 @@
+#include "modelsregister.h"
+
+#include "models/basemodel.h"
+
+void ModelsRegister::registerModel(BaseModel *model)
+{
+    Q_ASSERT(model != nullptr);
+
+    model->setParent(&instance()->m_parent);
+
+    instance()->m_models[model->entity()] = model;
+}
+
+BaseModel *ModelsRegister::model(const QString &name)
+{
+    Q_ASSERT(!name.isEmpty());
+
+    if (!instance()->m_models.contains(name)) {
+        registerModel(new BaseModel(name, &instance()->m_parent));
+    }
+
+    return instance()->m_models.value(name);
+}