feat: Add exit code for error

src/startReconstructions.cpp

@@ -43,13 +43,13 @@ int Recon::startReconstructions(const std::string& aDataPath, const std::string&
         RECON_INFO("startReconstructions with {0}.",aDataPath);
 
         RECON_INFO("data path is invalid.");
-        return -9;
+        return 1;
     }
 
     if(!refParser.getShotList()->isValid())
     {
         RECON_INFO("empty water path is invalid.");
-        return -10;
+        return 2;
     }
     //init total used receiver/emitter/motorPos
     Matrix motorPosTotal, slList, snList, rlList, rnList;
@@ -79,7 +79,7 @@ int Recon::startReconstructions(const std::string& aDataPath, const std::string&
     }
     else
     {
-        return -12;
+        return 3;
     }
 
     //getMeasurementMetaData