Allow Uploading of Files and Images within PVA Chatbot

PVA Github Page: https://github.com/microsoft/
PowerVirtualAgentsSamples/tree/master/BuildYourOwnCanvasSamples

CORS Configuration:
Allowed Origins: http://localhost:5000
Allowed methods : Select All
Allowed Headers: content-type,x-ms-blob-type,x-ms-client-request-id,x-ms-meta-name,x-ms-version
Exposed Headers: content-type,x-ms-blob-type,x-ms-client-request-id,x-ms-meta-name,x-ms-version
Max age: 2000

Create Event for PVA within Index.HTML file :
dispatch({
type: 'WEB_CHAT/SEND_EVENT',
payload: {
name : "PDtestEvent",
// text : files[0],
type : 'event',
value : files[0]
}
})