代码生成：增加说明文档

src/views/infra/codegen/index.vue

 <template>
-  <doc-alert title="代码生成" url="https://doc.iocoder.cn/new-feature/" />
+  <doc-alert title="代码生成（单表）" url="https://doc.iocoder.cn/new-feature/" />
+  <doc-alert title="代码生成（树表）" url="https://doc.iocoder.cn/new-feature/tree/" />
+  <doc-alert title="代码生成（主子表）" url="https://doc.iocoder.cn/new-feature/master-sub/" />
   <doc-alert title="单元测试" url="https://doc.iocoder.cn/unit-test/" />
 
   <!-- 搜索 -->

src/views/infra/demo/demo01/index.vue

 <template>
+  <doc-alert title="代码生成（单表）" url="https://doc.iocoder.cn/new-feature/" />
+
   <ContentWrap>
     <!-- 搜索工作栏 -->
     <el-form
@@ -18,12 +20,7 @@
         />
       </el-form-item>
       <el-form-item label="性别" prop="sex">
-        <el-select
-          v-model="queryParams.sex"
-          placeholder="请选择性别"
-          clearable
-          class="!w-240px"
-        >
+        <el-select v-model="queryParams.sex" placeholder="请选择性别" clearable class="!w-240px">
           <el-option
             v-for="dict in getIntDictOptions(DICT_TYPE.SYSTEM_USER_SEX)"
             :key="dict.value"
@@ -214,4 +211,4 @@ const handleExport = async () => {
 onMounted(() => {
   getList()
 })
-</script>
\ No newline at end of file
+</script>

src/views/infra/demo/demo02/index.vue

 <template>
+  <doc-alert title="代码生成（树表）" url="https://doc.iocoder.cn/new-feature/tree/" />
+
   <ContentWrap>
     <!-- 搜索工作栏 -->
     <el-form
@@ -202,4 +204,4 @@ const toggleExpandAll = async () => {
 onMounted(() => {
   getList()
 })
-</script>
\ No newline at end of file
+</script>

src/views/infra/demo/demo03/erp/index.vue

 <template>
+  <doc-alert title="代码生成（主子表）" url="https://doc.iocoder.cn/new-feature/master-sub/" />
+
   <ContentWrap>
     <!-- 搜索工作栏 -->
     <el-form
@@ -18,12 +20,7 @@
         />
       </el-form-item>
       <el-form-item label="性别" prop="sex">
-        <el-select
-          v-model="queryParams.sex"
-          placeholder="请选择性别"
-          clearable
-          class="!w-240px"
-        >
+        <el-select v-model="queryParams.sex" placeholder="请选择性别" clearable class="!w-240px">
           <el-option
             v-for="dict in getIntDictOptions(DICT_TYPE.SYSTEM_USER_SEX)"
             :key="dict.value"
@@ -240,4 +237,4 @@ const handleCurrentChange = (row) => {
 onMounted(() => {
   getList()
 })
-</script>
\ No newline at end of file
+</script>

src/views/infra/demo/demo03/inner/index.vue

 <template>
+  <doc-alert title="代码生成（主子表）" url="https://doc.iocoder.cn/new-feature/master-sub/" />
+
   <ContentWrap>
     <!-- 搜索工作栏 -->
     <el-form
@@ -18,12 +20,7 @@
         />
       </el-form-item>
       <el-form-item label="性别" prop="sex">
-        <el-select
-          v-model="queryParams.sex"
-          placeholder="请选择性别"
-          clearable
-          class="!w-240px"
-        >
+        <el-select v-model="queryParams.sex" placeholder="请选择性别" clearable class="!w-240px">
           <el-option
             v-for="dict in getIntDictOptions(DICT_TYPE.SYSTEM_USER_SEX)"
             :key="dict.value"
@@ -229,4 +226,4 @@ const handleExport = async () => {
 onMounted(() => {
   getList()
 })
-</script>
\ No newline at end of file
+</script>

src/views/infra/demo/demo03/normal/index.vue

 <template>
+  <doc-alert title="代码生成（主子表）" url="https://doc.iocoder.cn/new-feature/master-sub/" />
+
   <ContentWrap>
     <!-- 搜索工作栏 -->
     <el-form
@@ -18,12 +20,7 @@
         />
       </el-form-item>
       <el-form-item label="性别" prop="sex">
-        <el-select
-          v-model="queryParams.sex"
-          placeholder="请选择性别"
-          clearable
-          class="!w-240px"
-        >
+        <el-select v-model="queryParams.sex" placeholder="请选择性别" clearable class="!w-240px">
           <el-option
             v-for="dict in getIntDictOptions(DICT_TYPE.SYSTEM_USER_SEX)"
             :key="dict.value"
@@ -214,4 +211,4 @@ const handleExport = async () => {
 onMounted(() => {
   getList()
 })
-</script>
\ No newline at end of file
+</script>