feat: 增加 新浪接口相关导出

src/stocks/index.ts

@@ -1,8 +1,10 @@
 // Stocks
-import base from './base';
-import netease from './netease';
+import base from "./base";
+import sina from "./sina";
+import netease from "./netease";
 
 export default {
   base,
+  sina,
   netease,
 };

src/stocks/sina/index.ts

@@ -0,0 +1,4 @@
+// Stocks
+import Sina from "../../stocks/sina/api";
+
+export default Sina;