update 1-click button

Author: raphaeltm

samples/django-channels-redis/README.md

@@ -1,6 +1,6 @@
 # Starter Sample #REMOVE_ME_AFTER_EDITING
 
-[![1-click-deploy](https://defang.io/deploy-with-defang.png)](https://portal.defang.dev/redirect?url=https%3A%2F%2Fgithub.com%2Fnew%3Ftemplate_name%3Dsample-<YOUR_SAMPLE_DIR#REMOVE_ME_AFTER_EDITING>-template%26template_owner%3DDefangSamples)
+[![1-click-deploy](https://defang.io/deploy-with-defang.png)](https://portal.defang.dev/redirect?url=https%3A%2F%2Fgithub.com%2Fnew%3Ftemplate_name%3Dsample-django-channels-redis-template%26template_owner%3DDefangSamples)
 
 This is a sample that shows the rough structure of an actual Defang sample. This top paragraph should give a bit of context about the project and what it does. The rest of the README should be a guide on how to use the sample. #REMOVE_ME_AFTER_EDITING