chore(docs): add note to roles docs that they are still in active dev…

…elopment. (#3150)

docs/docs/system-administration/rbac.md

@@ -34,6 +34,12 @@ that group, but not the permissions the group has on other entities.
 
 ### Roles
 
+:::info
+
+Roles are still in active development and are not yet publicly available.
+
+:::
+
 A _Role_ is an entity to which you can attach a set of permissions. Permissions can allow privileges at Organization,
 Project, and Environment levels. You can assign a role, along with its associated permissions, to a User or Group. You
 will also be able to assign API keys to a Role in future versions.
@@ -52,8 +58,6 @@ Once the role is created you can assign the corresponding permissions.
 - Go to the Projects tab.
 - Select a Project and enable the relevant permissions.
 
-![RoleListProject](/img/roles/role-project-permissions.png)
-
 ### Assign Role to Users or Groups
 
 After creating the Role, you can assign it to Users or Groups.
@@ -65,10 +69,6 @@ After creating the Role, you can assign it to Users or Groups.
 - Select the Users tab.
 - Click assign role to user button and select a user.
 
-**List of assigned users:**
-
-![RoleListUsers](/img/roles/role-user-assigned-list.png)
-
 ## Permissions
 
 Permissions can be assigned at 3 levels: Organisation, Project, and Environment.