add：自定义布局

@VIEW/@MACRO/LAYOUTPANEL_VIEW.template.ftl

@@ -5,6 +5,12 @@
 <#if view.getPSViewLayoutPanel()?? && view.getPSViewLayoutPanel().isUseDefaultLayout()>
 ${P.getLayoutCode('VIEW.vue').code}
 <#else>
-    ${view.getPSViewLayoutPanel().getName()}
+    <#if view.getPSViewLayoutPanel().getLayoutMode()?? && view.getPSViewLayoutPanel().getLayoutMode() == "FLEX">
+    <div class="app-view-layout" style="height: '100%'; width: '100%';'display': 'flex'; 'flex-direction': 'column';">
+    <#else>
+    <div class="app-view-layout" style="height: '100%'; width: '100%'; overflow: 'auto';">
+    </#if>
+    
+    </div>
 </#if>
 </template>
\ No newline at end of file