[TASK] Add role typescript to Includes.txt

This patch add the role „typescript“ to the Includes.txt.
With this patch code  in a rst file can be declared as TypeScript.

Resolves: #78406
Releases: master
Change-Id: I0351089bda104562ea191a05d0c188b732ba7f08
Reviewed-on: https://review.typo3.org/50346


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>

typo3/sysext/core/Documentation/Includes.txt

@@ -6,6 +6,7 @@
 .. role:: js(code)
 .. role:: php(code)
 .. role:: typoscript(code)
+.. role:: typescript(code)
 
 .. role:: ts(typoscript)
    :class: typoscript