CLI: improve spinner messages for clarity

[timscodebase]

Description

Updated indet.ts, adding morre descriptive Script Action names

Related Issues

none

How can it be tested?

All normal tests will still work

Check list before submitting

• This PR is wrote in a clear language and correctly labeled
• I created the related changeset for my changes with npx changeset
• I have performed a self-review of my code (no debugs, no commented code, good naming, etc.)
• I wrote the relative tests
• I created a PR for the documentation if necessary and attached the link to this PR

[brunobuddy]

Hello @timscodebase great idea !

Can you run npx changeset at the root ? It will prompt you the change to do and this will trigger a new release of the npx add-manifest script. It's quite smooth you'll see

Thanks !