feat(物料管理): 新增采购计划、出入库管理及相关组件

添加物料管理模块，包括采购计划、出入库管理功能及相关组件
新增审批流程、系统信息、数据分析等子组件
添加相关图片资源及样式调整

src/views/materialManagement/planDetails.vue

@@ -0,0 +1,57 @@
+<template>
+    <div class="plan-details">
+        <el-row>
+            <el-col>
+                <el-card>
+                    <div class="header">
+                        <span class="back-arrow" @click="handleBack">
+                            <el-icon>
+                                <ArrowLeft />
+                            </el-icon>
+                        </span>
+                        <h2>Q2风电轴承采购计划</h2>
+                    </div>
+                </el-card>
+            </el-col>
+        </el-row>
+        <el-row gutter="10">
+            <el-col :span="18">
+                <el-card>
+                    <detailInfo />
+                </el-card>
+            </el-col>
+            <el-col :span="6" style="flex-grow: 1;">
+                <el-card style="height: 100%;">
+                    <DetailsProcess />
+                </el-card>
+            </el-col>
+        </el-row>
+
+    </div>
+</template>
+<style scoped lang="scss">
+.plan-details {
+    padding: 20px;
+    background-color: #F1F7FB;
+}
+
+.header {
+    display: flex;
+    align-items: center;
+}
+
+.back-arrow {
+    font-size: 20px;
+    margin-right: 10px;
+    cursor: pointer;
+}
+</style>
+<script setup>
+import detailInfo from './components/detailInfo.vue';
+import DetailsProcess from './components/DetailsProcess.vue';
+
+const router = useRouter();
+const handleBack = () => {
+    router.back();
+}
+</script>