Added my staff section

Staff.java

 public class Staff {
+   public Employee ctsai7() {
+	   return new Employee(
+	   	"Calvin Tsai",
+		"Student",
+		"excited",
+		"smallmouth_bass.jpg",
+		"a fish I like to catch"
+	  	);
+   }
    public Employee yverma23() {
         return new Employee(
             "Yash Verma",