Dummy Plane Tracker

Added dummy plane tracker for checking of incident particles before crystal endcap calorimeter.

src/detectors/CMakeLists.txt

@@ -35,7 +35,8 @@ dd4hep_add_plugin(GenDetectors
         trackers/src/SiTrackerRomanPot_geo.cpp
         trackers/src/SimpleRomanPot_geo.cpp
         trackers/src/RomanPot_geo.cpp
-        calorimeters/src/CylindricalEndcapCalorimeter_geo.cpp
+	trackers/src/PlaneTracker_geo.cpp
+	calorimeters/src/CylindricalEndcapCalorimeter_geo.cpp
         calorimeters/src/EcalBarrel_geo.cpp
         calorimeters/src/PolyhedraEndcapCalorimeter3_geo.cpp
         calorimeters/src/HexagonalShashlykSamplingECAL_geo.cpp