Release 0.9.0

[extsoft]

Release notes

Automatically Create the `~/.cache` Directory if Missing

Use `~/.local/bin` for Test Installations

Remove deprecated Identity Center login

Clean up the documentation

Add shell prompt text customization

Add shell prompt color customization

Output the shell prompt customizations in aliases

Make `scan-ic` command more user-friendly

Unify the command descriptions

Bump program version to 0.9.0

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This discussion was created from the release Release 0.9.0.