Added programming mode without functionality

src/main/c/main_taschenrechner.c

@@ -82,6 +82,24 @@ void graphMode() {
     }
 }
 
+// Programming mode
+
+void programmingMode() {
+
+    int num1, num2, result;
+    char operator;
+
+    printf("Enter first integer: ");
+    scanf("%d", &num1);
+
+    printf("Enter operator (+, -, *, /): ");
+    scanf(" %c", &operator);
+
+    printf("Enter second integer: ");
+    scanf("%d", &num2);
+
+}
+
 
 // change mode
 int mode(int userChoice){