Fix module syntax

Author: Florian Torres

src/main-renderers/tailwind-variables.pr

@@ -1,5 +1,5 @@
-const tailwindVariables = {
-    "colors": {
+module.exports = {
+    'colors': {
         {[ let allColorsToken = @ds.tokensByType("Color") /]}
         {[ let groups = @js.getGroups(allColorsToken) /]}
         {[ for group in groups ]}
@@ -16,6 +16,4 @@ const tailwindVariables = {
         },
         {[/]}
     }
-}
-
-export default tailwindVariables;
+}