https://start.devfile.io/ -> user-friendly modern GUI wizard to create devfiles

[ibuziuk]

Which area is this feature related to?

/area api
/area library
/area registry
/area registry-viewer
/area landing-page

Which functionality do you think we should add?

Why is this needed? Is your feature request related to a problem?

Creation of devfiles is not straight-forward process, and a GUI wizard based on the API spec should help with this routing

Detailed description:

Describe the solution you'd like

As a user I want to have an easy-to-use GUI wizard for creating devfiles

Describe alternatives you've considered

Additionally, would be nice to support creation of devfiles via API + expose Swagger endpoints

Additional Context

vscode-walkthrough-extension

https://github.com/devfile/vscode-walkthrough-extension to consider

Some implementation for odo

https://github.com/feloy/devfile-builder-react

Example of generators from the various projects:

• https://start.spring.io/