update path back to parent in index.html

Author: ecolab-neil

index.html

@@ -15,7 +15,7 @@
     the `--base-href` argument provided to `flutter build`.
   -->
     <!-- test to push njw 12:46pm-->
-  <base href="/temporary_njwwidgetbook">
+  <base href="/">
 
   <meta charset="UTF-8">
   <meta content="IE=Edge" http-equiv="X-UA-Compatible">