tblRoleType is a static lookup table with role types and their associated permission sets.
||int, not null
||Role type ID.
||nvarchar (256), not null
||Role type description. There are four available roles:
Member: Chat room member
Manager: Chat room manager
Voiced: Presenter for an auditorium chat room
Creator: Can create chat rooms
||bigint, not null
||Permission set for the role. The used bits are:
2: True if the role can manage nodes.
4: True if the role can create children nodes.
7: True if the role can join a chat room (or children chat rooms of a category).
8: True if the role can chat in a chat room (or in children chat rooms of a category).
10: True if the role can read chat history even when not joined to a chat room.
11: True if the role can see the chat room. (This is further refined by factors such as scope and visibility.)
12: True if the role can chat in an auditorium chat room.
13: True if the role can bypass visibility rules when viewing nodes.