refactoring: change variable names calculatorAdd.c and calculatorAdd.h

src/calculatorAdd.c

@@ -1,5 +1,12 @@
 #include "calculatorAdd.h"
 
-float calculatorAdd(float x,float y)
-{return x+y;}
+
+// Note:
+/* This Function may or may not be implemented in actual program, even if it is merged to the main branch.
+   If it is temporarily not included in the main Program, then this has a role in future Development of the Project */
+
+float calculatorAdd(float num1,float num2)
+{
+    return num1+num2;
+}
 

src/calculatorAdd.h

@@ -1,6 +1,8 @@
 #ifndef CALCULATORADD_H
 #define CALCULATORADD_H
+
 #include<stdio.h>
 #include<stdlib.h>
-float calculatorAdd(float x,float y);
+float calculatorAdd(float num1,float num2);
+
 #endif // CALCULATORADD_H