feat: add ample demos to @pureadmin/table (#379)

* feat: add ample demos to @pureadmin/table

src/views/pure-table/components/fixHeader.vue

@@ -0,0 +1,26 @@
+<script setup lang="ts">
+import { tableData } from "./data";
+
+const columns: TableColumnList = [
+  {
+    label: "日期",
+    prop: "date"
+  },
+  {
+    label: "姓名",
+    prop: "name"
+  },
+  {
+    label: "地址",
+    prop: "address"
+  }
+];
+</script>
+
+<template>
+  <pure-table
+    :data="tableData.concat(tableData).concat(tableData)"
+    :columns="columns"
+    height="360"
+  />
+</template>