RHOAIENG-12554, RHOAIENG-12195: add TrustyAI README.md with TMaRCo detoxification details and required dependencies justification

Author: jiridanek

jupyter/trustyai/README.md

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+Supports the use of TrustyAI
+
+Features:
+
+* TMaRCo detoxification from the notebooks ([https://issues.redhat.com/browse/RHOAIENG-12554], [https://issues.redhat.com/browse/RHOAIENG-12195])
+  * This uses an "expert"/"anti-expert" architecture, which requires running these models locally.
+    This meant that these dependencies (Pytorch, transformers and datasets) had to be added to the dependencies.
+  * The use-case benefits from GPU acceleration, so the CUDA-enabled version of Pytorch was chosen.