Fix module definition, make theme default export

index.d.ts

-declare module 'uw-material-ui-react';
+declare module '@uw-ui-development/uw-material-ui-react';

index.js

@@ -3,7 +3,7 @@ const colorBlue = "#0479a8";
 const colorBlackFont = "#282728";
 const colorGrayLight = "#adadad";
 
-export const theme = {
+export default theme = {
   props: {
     MuiButton: {
       color: "secondary",