Added transaction on the request object
Added transaction on the request object

See spec: https://developer.mozilla.org/en-US/docs/Web/API/IDBRequest
AyogoHealth/IndexedDBShim,kberryman/IndexedDBShim,emertechie/IndexedDBShim,AyogoHealth/IndexedDBShim,kir/IndexedDBShim,AyogoHealth/IndexedDBShim,Liquidframeworks/IndexedDBShim,12devs/IndexedDBShim,kberryman/IndexedDBShim,kir/IndexedDBShim,kberryman/IndexedDBShim,Liquidframeworks/IndexedDBShim,dazwiafl/IndexedDBShim,pixel9/IndexedDBShim,12devs/IndexedDBShim,pixel9/IndexedDBShim,emertechie/IndexedDBShim,dazwiafl/IndexedDBShim,kir/IndexedDBShim,dazwiafl/IndexedDBShim,emertechie/IndexedDBShim,Liquidframeworks/IndexedDBShim,pixel9/IndexedDBShim,12devs/IndexedDBShim