While CORS is a big issue when working ReactJS in combination with ASP.Net-Core I figured out how to enable CORS so when accessing my UI (http://localhost:3000)
garbage-collection
apache-commons-csv
checkin
spring-async
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snowsql
redwoodjs
mediator
gnokii
bootstrap-lightbox
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serum-dex
folderbrowserdialog
inets
wsman
android-device-monitor
structured-logging
ajv
qtablewidgetitem
matlab-spm
shady
ios8.3
spaces
msi-patch
git-branch-sculpting
nuget-package-manager-console
modelio
lmtp
optimization
self-referencing-table