Add path resolution function to handle root-relative and regular relative urls

[petecheslock]

Updated the code to simplify and to handle both root-relative (/quickstart/install-deps.sh) or relative (./quickstart/install-deps.sh)

2025-08-05 11:23:44,302 - INFO -
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2025-08-05 11:23:44,302 - INFO - LINK VERIFICATION RESULTS
2025-08-05 11:23:44,302 - INFO - ============================================================
2025-08-05 11:23:44,302 - INFO - Total links checked: 593
2025-08-05 11:23:44,303 - INFO - Successful links: 593
2025-08-05 11:23:44,303 - INFO - Broken links: 0
2025-08-05 11:23:44,303 - INFO -
✅ No broken links found (checked for HTTP 404 & 500 errors only)!

✅ All links verified successfully! (No HTTP 404 or 500 errors found)

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