doc: add MrJithil to collaborators

Fixes: #50533
PR-URL: #50666
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: MrJithil

README.md

@@ -419,6 +419,8 @@ For information about the governance of the Node.js project, see
   **Alba Mendez** <<me@alba.sh>> (she/her)
 * [MoLow](https://github.com/MoLow) -
   **Moshe Atlow** <<moshe@atlow.co.il>> (he/him)
+* [MrJithil](https://github.com/MrJithil) -
+  **Jithil P Ponnan** <<jithil@outlook.com>> (he/him)
 * [mscdex](https://github.com/mscdex) -
   **Brian White** <<mscdex@mscdex.net>>
 * [MylesBorins](https://github.com/MylesBorins) -