add config option for allowing guests to auto join rooms

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/globals/mod.rs

@@ -209,6 +209,8 @@ impl Service<'_> {
 
 	pub fn allow_guest_registration(&self) -> bool { self.config.allow_guest_registration }
 
+	pub fn allow_guests_auto_join_rooms(&self) -> bool { self.config.allow_guests_auto_join_rooms }
+
 	pub fn log_guest_registrations(&self) -> bool { self.config.log_guest_registrations }
 
 	pub fn allow_encryption(&self) -> bool { self.config.allow_encryption }