Merge pull request #253 from crim-ca/greeting-action-msg

adjust messages posted for new user issue/pr in action

.github/workflows/greetings.yml

@@ -9,5 +9,13 @@ jobs:
     - uses: actions/first-interaction@v1
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
-        issue-message: 'Message that will be displayed on users'' first issue'
-        pr-message: 'Message that will be displayed on users'' first pr'
+        issue-message: >
+          Thanks for submitting an issue.
+
+          Make sure you have checked through existing/resolved issues to avoid duplicates.
+          Also, make sure you provide enough details for us to be able to replicate and understand the problem.
+        pr-message: >
+          Thanks for submitting a PR.
+
+          Make sure that you have added tests to validates new features or bugfixes.
+          Also, ensure that existing test suites are still working with the change using the commit test statuses.