Rename ZoneLoader and ZoneWriter components to ZoneLoading and ZoneWriting to make a difference between the executive class and the component class

src/ZoneLoading/Loading/Steps/StepAddProcessor.cpp

@@ -0,0 +1,22 @@
+#include "StepAddProcessor.h"
+#include <cassert>
+
+StepAddProcessor::StepAddProcessor(StreamProcessor* streamProcessor)
+{
+    m_stream_processor = streamProcessor;
+}
+
+StepAddProcessor::~StepAddProcessor()
+{
+    delete m_stream_processor;
+    m_stream_processor = nullptr;
+}
+
+void StepAddProcessor::PerformStep(ZoneLoader* zoneLoader, ILoadingStream* stream)
+{
+    assert(zoneLoader != nullptr);
+    assert(m_stream_processor != nullptr);
+
+    zoneLoader->AddStreamProcessor(m_stream_processor);
+    m_stream_processor = nullptr;
+}