*On connect message, ensure both entities exist as peers

src/index.ts

@@ -286,6 +286,8 @@ export default class DHTCache extends EventEmitter {
       const { id: toId } = decoded;
       let bufId = b4a.from(toId as Uint8Array) as Buffer;
 
+      this._ensurePeer(id);
+      this._ensurePeer(bufId);
       this._addEntityConnection(id, bufId);
       this.emit("peer-add-seen", id, bufId);
       this._recalculate();