fix(typo): correct "floder" (#10)

README.md

@@ -96,7 +96,7 @@ Note: We do not recommend changing any colors other than the `primary` and `acce
   <button class="btn btn-error">Error</button>
 </div>
 ```
-You can find the example in the `example` floder.
+You can find the example in the `example` folder.
 
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