Implement Caching in zenflux/eslint/plugin.js

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1. Title: Implement Caching in plugin.js

2. Description:

   • Context: In the packages/zenflux-eslint/plugin.js file, there is a TODO comment indicating the need to use caching.
   • Details: The current implementation does not utilize caching, which could potentially improve performance and efficiency.
   • Location: The TODO comment is located at the beginning of the plugin.js file.
   • Task: Implement a caching mechanism in the plugin.js file to optimize performance.

3. Labels: Enhancement, Performance, TODO

4. Assignee: (Assign to the relevant developer or team)

By creating this issue, it will be tracked and prioritized accordingly.

Originally posted by @codiumai-pr-agent-pro[bot] in #35 (comment)