Cambio de fecha de la ultima linea

Author: Matias-Macedo

README.md

@@ -13,4 +13,5 @@ Output
    simple interest = p*t*r
 ```
 
-_© 2022 XYZ, Inc._
+_© 2023 XYZ, Inc._
+

README.mdx

@@ -0,0 +1,16 @@
+# Introduction to Git and GitHub
+
+## Simple Interest Calculator
+
+A calculator that calculates simple interest given principal, annual rate of interest and time period in years.
+
+```
+Input:
+   p, principal amount
+   t, time period in years
+   r, annual rate of interest
+Output
+   simple interest = p*t*r
+```
+
+_© 2023 XYZ, Inc._