Merge pull request #1617 from shahariaazam/shahariaazam-patch-1

Slack URL updated

.template-helpers/get-help.md

@@ -1 +1 @@
-[the Docker Community Forums](https://forums.docker.com/), [the Docker Community Slack](https://blog.docker.com/2016/11/introducing-docker-community-directory-docker-community-slack/), or [Stack Overflow](https://stackoverflow.com/search?tab=newest&q=docker)
+[the Docker Community Forums](https://forums.docker.com/), [the Docker Community Slack](http://dockr.ly/slack), or [Stack Overflow](https://stackoverflow.com/search?tab=newest&q=docker)