handleTeamsFileConsent method added in bot file upload sample nodejs

[Mohammed-MSFT]

Only one method we have implemented in JS sample and we able to get break point on this below method.
handleTeamsFileConsent

Code Snippet :

 async handleTeamsFileConsent(context,response){
        console.log("handleTeamsFileConsent() method executed");
        console.log(context,response);
    }

[Pawank-MSFT]

looks correct, Approving!