Jersey 2.26-b09 User Guide

The chapter 1.1. 1,.2 , 1.3 instructions lead to an error.
The error emerges when you try the run the demo with >"git jersey:run" maven alerts that a Main class is missing from the configuration.

Start with the Jersey 2.26-b09 User Guide chapters identified as 1.1, 1.2, and 1.3, then reproduce the demo command `git jersey:run`. Update the affected instructions so the documented command no longer produces the reported missing Main class configuration error.

Written by the indexing model from the issue text.