feat: 新增cron组件、cron支持6位秒级别

mayfly_go_web/src/components/crontab/CrontabInput.vue

@@ -0,0 +1,19 @@
+<template>
+    <el-input v-model="cron" placeholder="可点击左边按钮进行可视化配置">
+        <template #prepend>
+            <el-button @click="showCron = true" icon="Pointer"></el-button>
+        </template>
+    </el-input>
+    <el-dialog title="生成 cron" v-model="showCron" width="600px">
+        <Crontab :expression="cron" @hide="showCron = false" @fill="(ex: any) => (cron = ex)" />
+    </el-dialog>
+</template>
+
+<script lang="ts" setup>
+import { ref } from 'vue';
+import Crontab from '@/components/crontab/Crontab.vue';
+
+const cron = defineModel<string>('modelValue', { required: true });
+
+const showCron = ref(false);
+</script>