add Geant namespace

src/HEP/Geant/ActionInitialization.cpp

@@ -1,6 +1,9 @@
 #include "ActionInitialization.hh"
 #include "EmitterPrimary.hh"
 
+namespace uLib {
+namespace Geant {
+
 ActionInitialization::ActionInitialization() : G4VUserActionInitialization() {}
 
 ActionInitialization::~ActionInitialization() {}
@@ -22,4 +25,7 @@ void ActionInitialization::Build() const {
   // SetUserAction(new RunAction());
   // SetUserAction(new EventAction());
   // SetUserAction(new SteppingAction());
-}
+}
+
+} // namespace Geant
+} // namespace uLib