Add place ID blacklist config (#1021)

src/web/api.rs

@@ -64,6 +64,7 @@ impl ApiService {
             session_id: self.serve_session.session_id(),
             project_name: self.serve_session.project_name().to_owned(),
             expected_place_ids: self.serve_session.serve_place_ids().cloned(),
+            unexpected_place_ids: self.serve_session.blocked_place_ids().cloned(),
             place_id: self.serve_session.place_id(),
             game_id: self.serve_session.game_id(),
             root_instance_id,

src/web/interface.rs

@@ -160,6 +160,7 @@ pub struct ServerInfoResponse {
     pub protocol_version: u64,
     pub project_name: String,
     pub expected_place_ids: Option<HashSet<u64>>,
+    pub unexpected_place_ids: Option<HashSet<u64>>,
     pub game_id: Option<u64>,
     pub place_id: Option<u64>,
     pub root_instance_id: Ref,