feat(projectLedgerReport): 添加序号列到项目台账报表

src/views/oa/erp/projectLedgerReport/index.vue

@@ -28,6 +28,7 @@
       <!-- ========== 基本信息 ========== -->
       <el-table-column label="基本信息" align="center">
         <el-table-column type="selection" width="55" align="center" fixed="left" />
+        <el-table-column type="index" label="序号" width="55" align="center" fixed="left" />
         <el-table-column label="项目编号" prop="projectCode" width="140" align="center" fixed="left" show-overflow-tooltip />
         <el-table-column label="客户名称" prop="customerName" width="150" align="center" show-overflow-tooltip>
           <template #default="scope">