Update run-docs to enable run-docs evaluation (#1383)

* Update run-docs

Enable evaluation tests from docs/evaluation.md

* Update evaluation.md

Install executorch for running test

* Update evaluation.md

wording

* Update evaluation.md

Avoid bleedthru of markup for test

---------

Co-authored-by: Jack-Khuu <[email protected]>

Author: mikekgfb

.ci/scripts/run-docs

@@ -75,9 +75,6 @@ if [ "$1" == "advanced" ]; then
 fi
 
 if [ "$1" == "evaluation" ]; then
-
-    exit 0
-
         echo "::group::Create script to run evaluation"
         python3 torchchat/utils/scripts/updown.py --file torchchat/utils/docs/evaluation.md --replace 'llama3:stories15M,-l 3:-l 2' --suppress huggingface-cli,HF_TOKEN > ./run-evaluation.sh
         # for good measure, if something happened to updown processor,

torchchat/utils/docs/evaluation.md

@@ -4,8 +4,13 @@
 
 # Evaluation Features
 
+<!--
+
 [shell default]: ./install/install_requirements.sh
 
+[shell default]: TORCHCHAT_ROOT=${PWD} ./torchchat/utils/scripts/install_et.sh
+
+-->
 
 Torchchat provides evaluation functionality for your language model on
 a variety of tasks using the
@@ -14,7 +19,7 @@ library.
 
 ## Usage
 
-The evaluation mode of `torchchat.py` script can be used to evaluate your language model on various tasks available in the `lm_eval` library such as "wikitext". You can specify the task(s) you want to evaluate using the `--tasks` option, and limit the evaluation using the `--limit` option. If no task is specified, it will default to evaluating on "wikitext".
+The evaluation mode of `torchchat.py` script can be used to evaluate your language model on various tasks available in the `lm_eval` library such as "wikitext". You can specify the task(s) you want to evaluate using the `--tasks` option, and limit the evaluation using the `--limit` option. If no task is specified, the task will default to evaluating on "wikitext".
 
 **Examples**