Feat(eos_designs): Enhance isis authentication support

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help wanted

Metriche repository

The more I read the more I think we will need to revisit all this ISIS authentication at some point:

It seems today in eos_designs we only support this TOI: https://www.arista.com/en/support/toi/eos-4-15-2f/13687-isis-md5
our keys are not able to discriminate between levels from eos_designs
There is no mention of using SHA which is described here (and supported by our filters): cf this TOI: https://www.arista.com/en/support/toi/eos-4-21-3f/14126-is-is-authentication-using-sha
and recently this was introduced with shared-secret: https://www.arista.com/en/support/toi/eos-4-30-0f/17486-support-for-hitless-authentication-key-rollover-for-is-is
[interesting recommendation]: To maximize interoperability, Arista recommends using the same key in both interface mode and in the router isis mode.

[!NOTE] eos_cli_config_gen supports all this.

Direzione di ricerca: Studia l'implementazione esistente dell'autenticazione ISIS in eos designs, esamina i link TOI forniti per l'autenticazione MD5, SHA e shared secret, e identifica dove mancano la discriminazione di livello e il supporto SHA.
Tech stack: python
Dominio: backend
Tipo issue: Funzionalità
Difficoltà: 3
Tempo stimato: 1-2 giorni
Stato attività: Attiva
Chiarezza: Chiara
Prerequisiti: PythonGit
Adatta ai principianti: 60