[Release Notes] - Sales Order Service API 1.0.14.511

[#1]

Release notes	Description
Add ETag swagger documentation for POST lines	Earlier the swagger documentation for POST lines and DELETE order and lines did not include the information about the required ETag header. This is now updated.

If you are new to the neXtGen services, please look at the Getting started with the first neXtGen service: Visma.net ERP Sales Order API for an introduction.