Added shutdown method for LPF2 hubs

src/lpf2hub.ts

@@ -41,6 +41,20 @@ export class LPF2Hub extends Hub {
     }
 
 
+    /**
+     * Shutdown the Hub.
+     * @method LPF2Hub#shutdown
+     * @returns {Promise} Resolved upon successful disconnect.
+     */
+    public shutdown () {
+        return new Promise((resolve, reject) => {
+            this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x02, 0x01]), () => {
+                return resolve();
+            });
+        });
+    }
+
+
     /**
      * Set the name of the Hub.
      * @method LPF2Hub#setName

src/poweredup.ts

@@ -162,7 +162,6 @@ export class PoweredUP extends EventEmitter {
          */
         this.emit("discover", hub);
 
-}
-
+    }
 
 }