Hello,

Some of you might notice TF-M documentation updates but let me bring your attention to:

1. New look and layout of Getting Started Guides:
   https://tf-m-user-guide.trustedfirmware.org/docs/getting_started/tfm_getting_started.html
2. Porting TF-M to a New Hardware:
   https://tf-m-user-guide.trustedfirmware.org/docs/integration_guide/porting_TFM_to_a_new_hardware.html
3. Clear documentation URLs

Please enjoy, contribute and give a feedback.

Anton