Add default theme

Author: owjs3901

.changeset/vast-hotels-accept.md

@@ -0,0 +1,9 @@
+---
+"@devup-ui/webpack-plugin": patch
+"@devup-ui/wasm": patch
+"@devup-ui/next-plugin": patch
+"@devup-ui/vite-plugin": patch
+"@devup-ui/react": patch
+---
+
+Add default theme