*Refactor so if we emit heart beat we treat it like we added a peer then set the timestamp after, in case the peer is disconnected on one side or to handle unknown unknowns

src/index.ts

@@ -324,7 +324,10 @@ export default class DHTCache extends EventEmitter {
         return;
       }
 
-      this._addEntityConnection(id, bufId as Buffer);
+      this.addPeerHandler({
+        remotePublicKey: id,
+      });
+
       this._setEntity(bufId as Buffer, { heartbeat: Date.now() });
 
       this.log.debug(`Heartbeat received from ${bufId.toString("hex")}`);