[TN][Docs] update language coverage matrix and refs (NVIDIA#7247)

Signed-off-by: Mariana Graterol Fuenmayor <[email protected]>

docs/source/nlp/text_normalization/wfst/wfst_text_normalization.rst

@@ -158,31 +158,35 @@ Language Support Matrix
 +------------------+----------+----------+----------+--------------------+----------------------+
 | Spanish          | es       | x        | x        | x                  |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
-| French           | fr       |          | x        |                    |                      |
+| Spanish-English  | es_en    |          | x        |                    |                      |
++------------------+----------+----------+----------+--------------------+----------------------+
+| French           | fr       | x        | x        |                    |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
 | German           | de       | x        | x        | x                  |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
 | Arabic           | ar       | x        | x        |                    |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
-| Russian          | ru       |          | x        | x                  |                      |
+| Russian          | ru       | x        | x        | x                  |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
-| Swedish          | sv       | x        |          |                    |                      |
+| Swedish          | sv       | x        | x        |                    |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
 | Vietnamese       | vi       |          | x        |                    |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
 | Portuguese       | pt       |          | x        |                    |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
-| Chinese          | zh       | x        |          |                    |                      |
+| Chinese          | zh       | x        | x        |                    |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
 | Hungarian        | hu       | x        |          |                    |                      |
 +------------------+----------+----------+----------+--------------------+----------------------+
+| Italian          | it       | x        |          |                    |                      |
++------------------+----------+----------+----------+--------------------+----------------------+
 
 
-See :doc:`Grammar customization <wfst_customization>` for grammar customization details.
+See :ref:`Grammar customization <wfst_customization>` for grammar customization details.
 
-See :doc:`Text Processing Deployment <wfst_text_processing_deployment>` for deployment in C++ details.
+See :ref:`Text Processing Deployment <wfst_text_processing_deployment>` for deployment in C++ details.
 
-WFST TN/ITN resources could be found in :doc:`here <wfst_resources>`.
+WFST TN/ITN resources could be found in :ref:`here <wfst_resources>`.
 
 References
 ----------