feat: 添加前端构建产物 frontend/dist，更新 gitignore 规则

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/dist/assets/el-card-Bdh7v7FQ.js

@@ -0,0 +1 @@
+import{b as y,R as h,d as v,u as g,a as C,o as r,c as l,n as o,f as a,h as d,x as i,aa as f,g as c,q as S,al as b,l as m}from"./index-BYkWxQIk.js";const w=y({header:{type:String,default:""},footer:{type:String,default:""},bodyStyle:{type:h([String,Object,Array,Boolean]),default:""},headerClass:String,bodyClass:String,footerClass:String,shadow:{type:String,values:["always","hover","never"],default:void 0}});var $=v({name:"ElCard",__name:"card",props:w,setup(e){const u=g("card"),s=C("card");return(t,p)=>{var n;return r(),l("div",{class:o([a(s).b(),a(s).is(`${e.shadow||((n=a(u))==null?void 0:n.shadow)||"always"}-shadow`)])},[t.$slots.header||e.header?(r(),l("div",{key:0,class:o([a(s).e("header"),e.headerClass])},[d(t.$slots,"header",{},()=>[i(f(e.header),1)])],2)):c("v-if",!0),S("div",{class:o([a(s).e("body"),e.bodyClass]),style:b(e.bodyStyle)},[d(t.$slots,"default")],6),t.$slots.footer||e.footer?(r(),l("div",{key:1,class:o([a(s).e("footer"),e.footerClass])},[d(t.$slots,"footer",{},()=>[i(f(e.footer),1)])],2)):c("v-if",!0)],2)}}}),k=$;const E=m(k);export{E};