Rests model was added

services/modelsregister.h

@@ -17,6 +17,13 @@ public:
     static void registerModel(BaseModel *model);
     static BaseModel *model(const QString &name);
 
+    template <class C>
+    static C *get(const QString &name) {
+        C *res = dynamic_cast<C *>(instance()->m_models.value(name));
+        Q_ASSERT(res);
+        return res;
+    }
+
 private:
     ModelsRegister() = default;
     ~ModelsRegister() = default;