Updated .gitignore & .npmignore and fixed export from index.ts

.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
-
+.vscode/
+*.tgz

.npmignore

@@ -0,0 +1,17 @@
+boostmovehub.ts
+consts.ts
+duplotrainbase.ts
+hub.ts
+index.ts
+lpf2hub.ts
+port.ts
+poweredup.ts
+puphub.ts
+pupremote.ts
+package-lock.json
+tsconfig.json
+tslint.json
+utils.ts
+wedo2smarthub.ts
+.vscode/
+examples/

index.ts

@@ -8,4 +8,4 @@ import { PUPRemote } from "./pupremote";
 import { WeDo2SmartHub } from "./wedo2smarthub";
 
 export default PoweredUP;
-export { Hub, WeDo2SmartHub, BoostMoveHub, PUPHub, PUPRemote, DuploTrainBase, Consts };
+export { PoweredUP, Hub, WeDo2SmartHub, BoostMoveHub, PUPHub, PUPRemote, DuploTrainBase, Consts };