feat: 1758 flex investigate integration of geojson files

[qcdyx]

Summary:

Closes #1758

Expected behavior:
This is not a production ready PR - this is to prove that we can use GeoTools to read in location.geojson file in the validator.

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• Run the unit tests with gradle test to make sure you didn't break anything
• Add or update any needed documentation to the repo
• Format the title like "feat: [new feature short description]". Title must follow the Conventional Commit Specification(https://www.conventionalcommits.org/en/v1.0.0/).
• Linked all relevant issues
• Include screenshot(s) showing how this pull request works and fixes the issue(s)

[github-actions]

This contribution does not follow the conventions set by the Google Java style guide. Please run the following command line at the root of the project to fix formatting errors: ./gradlew goJF.

[github-actions]

📝 Acceptance Test Report

📋 Summary

✅ The rule acceptance has passed for commit 572a519
Download the full acceptance test report here (report will disappear after 90 days).

📊 Notices Comparison

New Errors (0 out of 1527 datasets, ~0%) ✅

No changes were detected due to the code change.

Dropped Errors (0 out of 1527 datasets, ~0%) ✅

No changes were detected due to the code change.

New Warnings (0 out of 1527 datasets, ~0%) ✅

No changes were detected due to the code change.

Dropped Warnings (0 out of 1527 datasets, ~0%) ✅

No changes were detected due to the code change.

🛡️ Corruption Check

0 out of 1527 sources (~0 %) are corrupted.

⏱️ Performance Assessment

📈 Validation Time

Assess the performance in terms of seconds taken for the validation process.

Time Metric	Dataset ID	Reference (s)	Latest (s)	Difference (s)
Average	--	3.88	3.99	⬆️+0.11
Median	--	1.36	1.45	⬆️+0.09
Standard Deviation	--	10.99	11.02	⬆️+0.03
Minimum in References Reports	us-oregon-hut-airport-shuttle-gtfs-635	0.51	0.60	⬆️+0.09
Maximum in Reference Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	301.77	301.77	⬆️+0.00
Minimum in Latest Reports	us-california-flex-v2-developer-test-feed-3-gtfs-1819	0.52	0.56	⬆️+0.03
Maximum in Latest Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	301.77	301.77	⬆️+0.00