Replace "No secrets committed to Git" check with Git hooks?

[karlhorky]

Instead of checking for secrets after the fact with Preflight, we could instead install a pre-commit Git hook that will check for them, as suggested in this tweet:

The only pre-commit hook you should have is one scanning commits for secrets and API keys.

• https://x.com/astuyve/status/1811012082390712326

We could add this with the scaffolder / starter command, which the install script in eslint-config-upleveled should turn into:

• Create new create- starter package for 1-command install eslint-config-upleveled#165