[FIX] Added dummy methods for NormalizationStrategyACSF

src/NormalizationStrategy/NormalizationStrategyACSF.cpp

@@ -121,3 +121,13 @@ lib4neuro::NormalizationStrategyACSF::NormalizationStrategyACSF(const std::vecto
     this->outputs_min = outputs_min;
     this->outputs_max = outputs_max;
 }
+
+double lib4neuro::NormalizationStrategyACSF::normalize(double n,
+                                                       double max,
+                                                       double min) {
+    return 0;
+}
+
+double lib4neuro::NormalizationStrategyACSF::de_normalize(double n) {
+    return 0;
+}