Merge pull request #631 from bertdeblock/replace-slack-refs-with-discord-refs

Replace all Slack references with the corresponding Discord references

Author: sivakumar-kailasam

CONTRIBUTING.md

@@ -64,7 +64,7 @@ you're at all able, start writing some code. We always have more work to do
 than time to do it. If you can write some code then that will speed the process
 along.
 
-If you have a question please reach out to us on the #team-learning channel on ember slack
+If you have a question please reach out to us on the #dev-ember-learning channel on ember Discord
 
 # Building Ember.js API Docs
 
@@ -120,7 +120,7 @@ explanation of why you made the changes you made. For new features make sure to
 explain a standard use case to us.
 
 We try to be quick about responding to tickets but sometimes we get a bit
-backlogged. If the response is slow, try to find someone on slack (#team-learning) to
+backlogged. If the response is slow, try to find someone on Discord (#dev-ember-learning) to
 give the ticket a review.
 
 Including tests that fail without your code, and making it pass will increase the chance

README.md

@@ -21,8 +21,8 @@ a component and styling library shared across apps.
 New contributors are welcome! This project is is maintained by an all-volunteer team,
 and we are thankful for your help.
 
-The best way to get started is to find issue labeled "good first issue" or "help wanted." If you have questions or want a buddy to pair with, drop by the #-team-learning channel on the
-[Ember Community Slack](https://ember-community-slackin.herokuapp.com/).
+The best way to get started is to find issue labeled "good first issue" or "help wanted." If you have questions or want a buddy to pair with, drop by the #dev-ember-learning channel on the
+[Ember Community Discord](https://discordapp.com/invite/emberjs).
 Like most open source projects, contributors are encouraged to open an issue
 to propose changes and iterate on ideas before investing time in coding.
 Some tips for working with git/GitHub can be found in