[Feature]: Add Caching to avoid reruns

[ogabrielluiz]

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Description

Cache exact matches to avoid having to generate the text again. This happens often when a pre-commit hook stops the commit. If there's more than one file in the commit, the unchanged files should have the commit message ready since it was generated before.

Suggested Solution

A simple string matching database (Langchain has that implementation) should work. Maybe a Sqlite database that gets cleaned up after 24 hours or something like that.

Alternatives

No response

Additional Context

No response