refactor raid naxx related

src/strategy/raids/RaidStrategyContext.h

@@ -0,0 +1,18 @@
+#ifndef _PLAYERBOT_RAIDSTRATEGYCONTEXT_H_
+#define _PLAYERBOT_RAIDSTRATEGYCONTEXT_H_
+
+#include "Strategy.h"
+#include "RaidNaxxStrategy.h"
+
+class RaidStrategyContext : public NamedObjectContext<Strategy>
+{
+    public:
+        RaidStrategyContext() : NamedObjectContext<Strategy>(false, true)
+        {
+            creators["naxx"] = &RaidStrategyContext::naxx;
+        }
+    private:
+        static Strategy* naxx(PlayerbotAI* botAI) { return new RaidNaxxStrategy(botAI); }
+};
+
+#endif