Merge \"docs: Added call to build to code snippet\" into nyc-dev

                 .addMessage("Hi", timestamp1, null) // Pass in null for user.

                 .addMessage("What's up?", timestamp2, "Coworker")

                 .addMessage("Not much", timestamp3, null)

                 .addMessage("How about lunch?", timestamp4, "Coworker"));

                 .addMessage("How about lunch?", timestamp4, "Coworker"))

             .build();

</pre>