feat(devops): 新增流水线节点组件并优化相关功能

- 新增 CutePipelineNode 组件用于展示流水线节点状态
- 新增 CutePreviewDrawer 组件用于展示详细信息
- 新增 CuteFileDragUploadDemo 和 CutePipelineNodeDemo 组件用于演示功能
- 在 package.json 中添加 dayjs 依赖
- 更新 README 文档，添加新组件的说明和截图

cutejava-front/src/views/componentsDemo/CuteFileDragUploadDemo.vue

@@ -0,0 +1,52 @@
+<template>
+  <div class="app-container">
+    <el-form ref="form" :model="form" label-width="100px">
+      <el-form-item label="活动名称" prop="name">
+        <el-input v-model="form.name" style="width: 100%" />
+      </el-form-item>
+      <el-form-item label="活动区域" prop="region">
+        <el-select v-model="form.region" placeholder="请选择活动区域" style="width: 100%">
+          <el-option label="区域一" value="shanghai" />
+          <el-option label="区域二" value="beijing" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="文件上传" prop="fileUrl">
+        <cute-file-drag-upload v-model="form" />
+      </el-form-item>
+      <el-form-item>
+        <el-button type="primary" @click="submitForm('form')">提 交</el-button>
+      </el-form-item>
+    </el-form>
+  </div>
+</template>
+
+<script>
+import CuteFileDragUpload from '@/views/components/business/CuteFileDragUpload'
+
+export default {
+  name: 'CuteFileDragUploadDemo',
+  components: { CuteFileDragUpload },
+  data() {
+    return {
+      form: {
+        name: '',
+        region: '',
+        fileUrl: ''
+      }
+    }
+  },
+  methods: {
+    submitForm(formName) {
+      const that = this
+      that.$refs[formName].validate((valid) => {
+        if (valid) {
+          console.error('submitForm:form', that.form)
+        } else {
+          return false
+        }
+      })
+    }
+  }
+}
+</script>
+