Update getting-started.md - add missing talosconfig parameter

[SpiReCZ]

Update docs - Pull Request

What? (description)

Some commands were missing a parameter for talosconfig.

Why? (reasoning)

Help others not get stuck :)

Acceptance

Please use the following checklist:

• [ ] you linked an issue (if applicable)
• [ ] you included tests (if applicable)
• [ ] you ran conformance (make conformance)
• [ ] you formatted your code (make fmt)
• [ ] you linted your code (make lint)
• [ ] you generated documentation (make docs)
• [ ] you ran unit-tests (make unit-tests)

See make help for a description of the available targets.

[albert849]

thank you!

Pull docs request want to get approved

[smira]

/m