Fixing deployment script (#2)

* Fixing deployment script

`master` branch was renamed to `main`, but the deployment script was updated.

* Update deploymentscript.ps1

* Update package.json

* Update package.json

deploymentscript.ps1

@@ -85,8 +85,8 @@ git commit -m "Initial commit"
 $a = git remote add azwebapp $publishConfig.scmUri
 git remote rm azwebapp 
 git remote add azwebapp $publishConfig.scmUri
-git push azwebapp master
+git push azwebapp main:master
 
 Write-Host "Deployment Complete"
 Write-Host "Open url https://$deploymentName.azurewebsites.net in the browser"
-Write-Host "To delete the app, run command 'az group delete --name $resourceGroup'"
+Write-Host "To delete the app, run command 'az group delete --name $resourceGroup'"