Merge pull request #4635 from github/bmd/add-discussions

add discussions to contribution graph

Author: janiceilene

content/github/setting-up-and-managing-your-github-profile/viewing-contributions-on-your-profile.md

@@ -27,6 +27,8 @@ On your profile page, certain actions count as contributions:
 
 - Committing to a repository's default branch or `gh-pages` branch
 - Opening an issue
+- Opening a discussion
+- Answering a discussion
 - Proposing a pull request
 - Submitting a pull request review{% if enterpriseServerVersions contains currentVersion or currentVersion == "github-ae@latest" %}
 - Co-authoring commits in a repository's default branch or `gh-pages` branch{% endif %}