New bio to staff page and product to products page

Products.java

@@ -508,7 +508,7 @@ public class Products { /* a good class, but not as good as cse391 */
 		);
 	}
 
-    public Product cscs24Product() {
+    public Product ccsekhar20Product() {
 	    return new Product(
 		"Coffee",
 		"Good coffee",

Staff.java

@@ -539,7 +539,7 @@ public class Staff {
         );
     }
 
-    public Employee cscs24() {
+    public Employee ccsekhar20() {
 	    return new Employee(
 		"Chaitanya",
 		"Student",