public void cookie(String name, String value, int maxAge) {
        cookie(name, value, maxAge, false);
    }
Adds cookie to the response. Can be invoked multiple times to insert more than one cookie.

@param name   name of the cookie
@param value  value of the cookie
@param maxAge max age of the cookie in seconds (negative for the not persistent cookie,
              zero - deletes the cookie)
src/main/java/spark/Response.java