[docs] Broken image urls

[loama]

What happened

10 images have broken links thus are not displaying, here's the full list

nixtla.io-docs_12-sep-2025_image-redirects_2025-09-12_16-44-28.csv

Reproducible example

Visit docs in the pages:

https://www.nixtla.io/docs/setup/azureai
https://www.nixtla.io/docs/introduction/why_timegpt
https://www.nixtla.io/docs/forecasting/special-topics/hierarchical_forecasting
https://www.nixtla.io/docs/reference/timegpt_in_r
https://www.nixtla.io/docs/setup/setting_up_your_api_key
https://www.nixtla.io/docs/introduction/about_timegpt

Issue Severity

Medium: It is a significant difficulty but I can work around it.

[khuyentran1401]

Hi @loama, I fixed the image issue in https://www.nixtla.io/docs/forecasting/special-topics/hierarchical_forecasting in #678. I don't see any broken images in the rest of the links. Have you fixed these?