Create result cache service

[bamader]

Description

[Provide a brief description of the changes implemented in this pull request.]

Related Issues

Closes #[Link any related issues or tasks from your project management system.]

Additional Notes

[Add any additional context or notes that reviewers should know about.]

<--------------------- REMOVE THE LINES BELOW BEFORE MERGING --------------------->

Checklist

Please review and complete the following checklist before submitting your pull request:

• I have ensured that the pull request is of a manageable size, allowing it to be reviewed within a single session.
• I have reviewed my changes to ensure they are clear, concise, and well-documented.
• I have updated the documentation, if applicable.
• I have added or updated test cases to cover my changes, if applicable.
• I have minimized the number of reviewers to include only those essential for the review.

Checklist for Reviewers

Please review and complete the following checklist during the review process:

• The code follows best practices and conventions.
• The changes implement the desired functionality or fix the reported issue.
• The tests cover the new changes and pass successfully.
• Any potential edge cases or error scenarios have been considered.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 86.11111% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.50%. Comparing base (2eb8607) to head (88c14bd).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...-to-code/src/text_to_code/services/result_cache.py	86.11%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #562      +/-   ##
==========================================
- Coverage   96.03%   90.50%   -5.54%     
==========================================
  Files          46       49       +3     
  Lines        2373     2665     +292     
==========================================
+ Hits         2279     2412     +133     
- Misses         94      253     +159     

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