feat: 添加op抽奖小工具。

public/iframe-source/genshin-gacha/index.html

@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="./vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Vite + Solid + TS</title>
+    <script type="module" crossorigin src="./assets/index-DP99bbYD.js"></script>
+    <link rel="stylesheet" crossorigin href="./assets/index-0yRbVyE4.css">
+  </head>
+  <body>
+    <div id="root"></div>␍
+  </body>
+</html>