add XCHSAR Indicator, Complete it's Helper and Implement usage of this in EA ...

X121SMCEA/Libraries/x-121.smc.lib.mq5

@@ -24,6 +24,7 @@
 #include "../../Classes/x-saherelm.base.class.mq5"
 #include "../../Helpers/x-saherelm.x3ma.helper.mq5"
 #include "../../Helpers/x-saherelm.x3vwap.helper.mq5"
+#include "../../Helpers/x-saherelm.xchsar.helper.mq5"
 #include "../../Helpers/x-saherelm.xpv.helper.mq5"
 #include "../../Libraries/x-saherelm.common.lib.mq5"
 #include "../../Libraries/x-saherelm.x-poi.lib.mq5"
@@ -387,6 +388,7 @@ struct X121SMCStrategyConditions
     XPVConditions xpvConditions;
     X3MAConditions x3maConditions;
     X3VWAPConditions x3vwapConditions;
+    XCHSARConditions xchsarConditions;
 
     //
     void X121SMCStrategyConditions()