Add documentation for web assistant.
Following feature 245, start Web Assistant documentation section. Mainly, this commit has the purpose of identifying the current limitation of the web assistant display of information from dird.
Part of #245
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Following feature 245, start Web Assistant documentation section. Mainly, this commit has the purpose of identifying the current limitation of the web assistant display of information from dird.
Part of #245