feat: BMS 项目初始化（前端+后端）

- 前端 bms-front：基于 RuoYi-Vue3，封装 BasicForm/BasicTable 公共组件，替换 18 个业务页面表格
- 后端 bms-back：基于 RuoYi-Vue，包含 system/quartz/generator 等模块
- 项目标题由若依管理系统改为 BMS

bms-front/src/components/SizeSelect/index.vue

@@ -0,0 +1,43 @@
+<template>
+  <div>
+    <el-dropdown trigger="click" @command="handleSetSize">
+      <div class="size-icon--style">
+        <svg-icon class-name="size-icon" icon-class="size" />
+      </div>
+      <template #dropdown>
+        <el-dropdown-menu>
+          <el-dropdown-item v-for="item of sizeOptions" :key="item.value" :disabled="size === item.value" :command="item.value">
+            {{ item.label }}
+          </el-dropdown-item>
+        </el-dropdown-menu>
+      </template>
+    </el-dropdown>
+  </div>
+</template>
+
+<script setup>
+import useAppStore from "@/store/modules/app"
+
+const appStore = useAppStore()
+const size = computed(() => appStore.size)
+const { proxy } = getCurrentInstance()
+const sizeOptions = ref([
+  { label: "较大", value: "large" },
+  { label: "默认", value: "default" },
+  { label: "稍小", value: "small" },
+])
+
+function handleSetSize(size) {
+  proxy.$modal.loading("正在设置布局大小，请稍候...")
+  appStore.setSize(size)
+  setTimeout("window.location.reload()", 1000)
+}
+</script>
+
+<style lang='scss' scoped>
+.size-icon--style {
+  font-size: 18px;
+  line-height: 50px;
+  padding-right: 7px;
+}
+</style>