docs: update list of contributors

PR-URL: #2214
Reviewed-by: Athan Reines <kgryte@gmail.com>
Signed-off-by: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>
Co-authored-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: stdlib-bot

CONTRIBUTORS

@@ -73,6 +73,7 @@ Shivam <11shivam00@gmail.com>
 Shraddheya Shendre <shendreshraddheya@gmail.com>
 Shubh Mehta <93862397+Shubh942@users.noreply.github.com>
 Shubham Mishra <shubh622005@gmail.com>
+Sivam Das <100067002+Sivam2313@users.noreply.github.com>
 Snehil Shah <130062020+Snehil-Shah@users.noreply.github.com>
 Soumajit Chatterjee <121816890+soumajit23@users.noreply.github.com>
 Spandan Barve <contact@marsian.dev>