docs: add vxe-table doc (#4807)

* docs: init vxe-table demos

* style: fix vxe-table index.scss import error

* docs: fix vxe-table style & theme toggle problem

* docs: add rest demos

* docs: add vxe-table demo desc

* fix: add maximumFileSizeToCacheInBytes to fix build error

* fix: fix vxe-table set-theme build error

* docs: fix vitepress ssr render problem

* docs: add some tips for vitepress compatibility

docs/.vitepress/theme/components/site-layout.vue

@@ -32,6 +32,21 @@ watch(
   () => nextTick(() => initZoom()),
 );
 
+function setVxeTheme(name?: string) {
+  const theme = !name || name === 'default' ? 'light' : name;
+
+  if (typeof document !== 'undefined') {
+    const documentElement = document.documentElement;
+    if (documentElement) {
+      documentElement.dataset.vxeUiTheme = theme;
+    }
+  }
+}
+
+watch(isDark, (dark) => {
+  setVxeTheme(dark ? 'dark' : 'light');
+});
+
 // initPreferences({
 //   namespace: 'docs',
 // });