doc: add strategic initiative for shadow realm

PR-URL: #43037
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Zeyu "Alex" Yang <himself65@outlook.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: legendecas

doc/contributing/strategic-initiatives.md

@@ -10,6 +10,7 @@ agenda to ensure they are active and have the support they need.
 | ------------------- | --------------------------- | --------------------------------------------- |
 | Core Promise APIs   | [Antoine du Hamel][aduh95]  | <https://github.com/nodejs/TSC/issues/1094>   |
 | QUIC / HTTP3        | [James M Snell][jasnell]    | <https://github.com/nodejs/quic>              |
+| Shadow Realm        | [Chengzhong Wu][legendecas] | <https://github.com/nodejs/node/issues/42528> |
 | Startup performance | [Joyee Cheung][joyeecheung] | <https://github.com/nodejs/node/issues/35711> |
 | V8 Currency         | [Michaël Zasso][targos]     |                                               |
 | Next-10             | [Michael Dawson][mhdawson]  | <https://github.com/nodejs/next-10>           |
@@ -38,5 +39,6 @@ agenda to ensure they are active and have the support they need.
 [aduh95]: https://github.com/aduh95
 [jasnell]: https://github.com/jasnell
 [joyeecheung]: https://github.com/joyeecheung
+[legendecas]: https://github.com/legendecas
 [mhdawson]: https://github.com/mhdawson
 [targos]: https://github.com/targos