Add codegen sample guide for Gaudi deployment

[alexsin368]

Targeting v1.1 release

[alexsin368]

This is a new document. Not sure how to address this issue in the Check Online Document Building test:

make: *** [Makefile:65: html] Error 2
/home/runner/work/docs/docs/_build/rst/examples/CodeGen/deploy/gaudi.md: WARNING: document isn't included in any toctree

[ashahba]

This is a new document. Not sure how to address this issue in the Check Online Document Building test:

make: *** [Makefile:65: html] Error 2 /home/runner/work/docs/docs/_build/rst/examples/CodeGen/deploy/gaudi.md: WARNING: document isn't included in any toctree

Don't worry about this. Just make sure the file is actually there.
CI gatekeepers would whitelist it once the PR is approved and merged.

[ashahba]

LGTM!

[ashahba]

This is a new document. Not sure how to address this issue in the Check Online Document Building test:

make: *** [Makefile:65: html] Error 2 /home/runner/work/docs/docs/_build/rst/examples/CodeGen/deploy/gaudi.md: WARNING: document isn't included in any toctree

Actually if you make a small change like this:

$ git diff
diff --git a/examples/index.rst b/examples/index.rst
index 6524dc1..283693f 100644
--- a/examples/index.rst
+++ b/examples/index.rst
@@ -12,6 +12,8 @@ GenAIExamples are designed to give developers an easy entry into generative AI,
    ChatQnA/deploy/index
    AgentQnA/AgentQnA_Guide
    AgentQnA/deploy/index
+   CodeGen/deploy/gaudi.md
+   CodeGen/deploy/index
 
 ----

and then create this file: examples/CodeGen/deploy/index.rst with the following content:

CodeGen Example Deployment Options
###################################

Here are some deployment options, depending on your hardware and environment:

Single Node
***********

.. toctree::
   :maxdepth: 1

   Gaudi AI Accelerator <gaudi>

This should fix that issue 🤞

[ashahba]

Please update the examples/index.rst as mentioned in comments.

[ashahba]

LGTM!

[chensuyue]

@tomlenth @NeoZhangJianyu please review.

[yinghu5]

LGTM