Update index.md

Reputeless · Reputeless · commit c0d816dde495 · 2025-06-11T12:26:54.000+09:00
diff --git a/docs/index.md b/docs/index.md
@@ -43,4 +43,4 @@ C++17, C++20, C++23, C++26 に関する情報を調査・提供します。
 - [kagamiz](https://github.com/kagamiz){:target="_blank"}
 
 #### Bronze Sponsor
-アゲハマ, Fuyutsubaki, 😊, 🐝, jacking75, Chris Ohk, ysaito, おおやま, ShivAlley, lamuda, 🌻, fal_rnd, As Project, IZUNA, nasatame, sashi, 🌶️, 💯
+アゲハマ, Fuyutsubaki, 😊, 🐝, jacking75, Chris Ohk, ysaito, おおやま, ShivAlley, lamuda, fal_rnd, As Project, IZUNA, nasatame, sashi, 🌶️, 💯, PlumRice
