Link to template folders not readme (#12)

README.md

@@ -4,17 +4,16 @@
 For more information on how to build HTML In-App Messages view our [documentation](https://documentation.onesignal.com/docs/design-your-in-app-message-with-html#key-features-with-the-in-app-html-editor) here.
 
 ## Templates
-
 For more information of how html in-apps work see our [advanced usage doc](./advanced-usage.md)
 
 ###### [Leads (SMS + Email)](./sms_email_form/README.md)
 <img alt="Leads" src="./sms_email_form/readme_assets/sms_email_form.gif" width="200px">
 
-###### [Survey (Ranking 1-5)](./ranking_survey/README.md)
+###### [Survey (Ranking 1-5)](./ranking_survey)
 <img alt="Survey" src="./ranking_survey/readme_assets/ranking_survey_iam.gif" width="200px">
 
-###### [Carousel](./carousel/README.md)
+###### [Carousel](./carousel)
 <img alt="Carousel" src="./carousel/readme_assets/carousel_iam.gif" width="200px">
 
-###### [Promo Wheel](./promo_wheel/README.md)
+###### [Promo Wheel](./promo_wheel)
 <img alt="Promo Wheel" src="./promo_wheel/readme_assets/promo_wheel_iam.gif" width="200px">