feat: simple spinner example app

[Pantani]

I already created it to test the new spinner. IMHO, this is a good example of app

[julienrbrt]

Actually, I do not see any spinner:
https://asciinema.org/a/FPBT6AA8KgS1AZNZzGJzzewdR

[Pantani]

Actually, I do not see any spinner: https://asciinema.org/a/FPBT6AA8KgS1AZNZzGJzzewdR

Did you upgrade the dependency into the app spinner example? Pull the spinner branch and add it to go.mod before building the plugin.

replace ( github.com/ignite/cli/v29 => ../../../CLI )

[julienrbrt]

If I replace everything to use ignite v29 in this app it works yes.