Add discussion link

Author: dustymethod

README.txt

@@ -25,4 +25,6 @@ Notes
     - settings.js can be opened & edited in notepad. (includes slide duration & mode settings)
     - To use updated settings, refresh source by toggling visibility
     - RefreshImages.sh saves a list of all images in the images folder in "images.js"
-    - Filenames with uncommon characters may not display
+    - Filenames with uncommon characters may not display
+    
+Discussion & support: https://obsproject.com/forum/threads/random-image-slideshow.110157/