CB-11644: (ios) Set cookie path to root

This closes #27

Signed-off-by: Shazron Abdullah <shazron@apache.org>
diff --git a/local-webserver/src/ios/CDVLocalWebServer.m b/local-webserver/src/ios/CDVLocalWebServer.m
index eaaa921..91e977f 100644
--- a/local-webserver/src/ios/CDVLocalWebServer.m
+++ b/local-webserver/src/ios/CDVLocalWebServer.m
@@ -241,7 +241,7 @@
 
             if (hasToken && !hasCookie) {
                 //set cookie
-                [response setValue:authToken forAdditionalHeader:@"Set-Cookie"];
+                [response setValue:[NSString stringWithFormat:@"%@;path=/", authToken] forAdditionalHeader:@"Set-Cookie"];
             }
             complete(response);
         });