feat: ✨ Update error message; update makefile; Update doc

use.h

@@ -6,13 +6,13 @@
 #define USE_H
 
 #define NUM_INPUTS 2
-#define NUM_HIDDEN 2
+#define NUM_HIDDEN 25
 #define NUM_OUTPUTS 1
 #define NUM_TRAINING_SETS 4
 
 
 void getvalues(char filename[], double **HiddenWeights, double *HiddenBiases, double **FinalOutputWeights, double *FinalOutputBiases);
-int main();
+int main(int argc, char *argv[]);
 
 
 #endif //USE_H