changed the copyright year to 2023

Author: Isaac-IntelUltra7

README.md

@@ -1,5 +1,7 @@
 # Introduction to Git and GitHub
 
+# Aquí hay una nueva actualización por Isaac-IntelUltra7
+
 ## Simple Interest Calculator
 
 A calculator that calculates simple interest given principal, annual rate of interest and time period in years.
@@ -13,4 +15,4 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2022 XYZ, Inc._
+_© 2023 XYZ, Inc._