chore: @vben-core/iconify was renamed @vben-core/icons. Add readme.md for some packages

packages/@core/shared/icons/src/create-icon.ts

@@ -0,0 +1,14 @@
+import { defineComponent, h } from 'vue';
+
+import { Icon } from '@iconify/vue';
+
+function createIconifyIcon(icon: string) {
+  return defineComponent({
+    name: `SvgIcon-${icon}`,
+    setup(props, { attrs }) {
+      return () => h(Icon, { icon, ...props, ...attrs });
+    },
+  });
+}
+
+export { createIconifyIcon };