fix: nextjs example

Author: devrnt

examples/nextjs/package.json

@@ -8,9 +8,9 @@
     "start": "next start"
   },
   "dependencies": {
-    "next": "10.0.7",
-    "react": "17.0.1",
-    "react-dom": "17.0.1",
-    "react-use-wizard": "^1.0.1"
+    "next": "11.0.1",
+    "react": "17.0.2",
+    "react-dom": "17.0.2",
+    "react-use-wizard": "^1.1.2"
   }
 }

examples/nextjs/pages/index.js

@@ -33,10 +33,13 @@ const Footer = () => {
         </p>
       </div>
       <div>
-        <button onClick={previousStep} disabled={isLoading || isFirstStep}>
+        <button
+          onClick={() => previousStep()}
+          disabled={isLoading || isFirstStep}
+        >
           Previous
         </button>
-        <button onClick={nextStep} disabled={isLoading || isLastStep}>
+        <button onClick={() => nextStep()} disabled={isLoading || isLastStep}>
           Next
         </button>
       </div>