featend(front):添加二维码图片并更新基金模型

- 在 about.vue 组件中添加了二维码图片- 在 models.ts 文件中更新了 FundModel 结构，添加 netEstimatedRate 字段

frontend/src/components/about.vue

@@ -117,6 +117,8 @@ EventsOn("updateVersion",async (msg) => {
             <n-avatar width="100" src="https://avatars.githubusercontent.com/u/7401917?v=4" />
             <h2><a href="https://github.com/ArvinLovegood" target="_blank">@ArvinLovegood</a></h2>
             <p>一个热爱编程的小白，欢迎关注我的Github</p>
+            <n-image width="300" src="https://go-stock.sparkmemory.top/assets/%E6%89%AB%E7%A0%81_%E6%90%9C%E7%B4%A2%E8%81%94%E5%90%88%E4%BC%A0%E6%92%AD%E6%A0%B7%E5%BC%8F-%E7%99%BD%E8%89%B2%E7%89%88-DEJtWc_y.png" />
+
             <p>开源不易，如果觉得好用，可以请作者喝杯咖啡。</p>
             <n-flex justify="center">
               <n-image width="200" :src="alipay" />

frontend/wailsjs/go/models.ts

@@ -100,6 +100,7 @@ export namespace data {
 	    netEstimatedUnit?: number;
 	    netEstimatedUnitTime: string;
 	    netAccumulated?: number;
+	    netEstimatedRate?: number;
 	    fundBasic: FundBasic;
 	
 	    static createFrom(source: any = {}) {
@@ -119,6 +120,7 @@ export namespace data {
 	        this.netEstimatedUnit = source["netEstimatedUnit"];
 	        this.netEstimatedUnitTime = source["netEstimatedUnitTime"];
 	        this.netAccumulated = source["netAccumulated"];
+	        this.netEstimatedRate = source["netEstimatedRate"];
 	        this.fundBasic = this.convertValues(source["fundBasic"], FundBasic);
 	    }