Move minds, roles, jobs and objectives to shared (#19679)

Content.Shared/Roles/RoleEvent.cs

@@ -0,0 +1,11 @@
+using Content.Shared.Mind;
+
+namespace Content.Shared.Roles;
+
+/// <summary>
+///     Base event raised on player entities to indicate that something changed about one of their roles.
+/// </summary>
+/// <param name="MindId">The mind id associated with the player.</param>
+/// <param name="Mind">The mind component associated with the mind id.</param>
+/// <param name="Antagonist">Whether or not the role makes the player an antagonist.</param>
+public abstract record RoleEvent(EntityUid MindId, MindComponent Mind, bool Antagonist);