Add FP8 paper (#301)

Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

README.rst

@@ -280,6 +280,7 @@ Papers
 * `Attention original paper <https://proceedings.neurips.cc/paper/2017/file/3f5ee243547dee91fbd053c1c4a845aa-Paper.pdf>`_
 * `Megatron-LM tensor parallel <https://arxiv.org/pdf/1909.08053.pdf>`_
 * `Megatron-LM sequence parallel <https://arxiv.org/pdf/2205.05198.pdf>`_
+* `FP8 Formats for Deep Learning <https://arxiv.org/abs/2209.05433>`_
 
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