Update index.markdown

Author: meng-kiat

docs/index.markdown

@@ -6,15 +6,15 @@ author_profile: true
 
 gallery:
   - url: /dashboards/Watershed%20Dashboard/
-    image_path: /assets/images/gallery/radashboard.png
+    image_path: /assets/images/gallery1/radashboard.png
     alt: "placeholder image 1"
     title: "Image 1 title caption"
   - url:  # could be bigger image instead, to show off dashboards nicer
-    image_path: /assets/images/gallery/.png
+    image_path: /assets/images/gallery1/.png
     alt: "placeholder image 2"
     title: "Image 2 title caption"
-  - url: /assets/images/gallery/radashboard.png
-    image_path: /assets/images/gallery/radashboard.png
+  - url: /assets/images/gallery1/radashboard.png
+    image_path: /assets/images/gallery1/radashboard.png
     alt: "placeholder image 3"
     title: "Image 3 title caption"
 ---