Add CODEOWNERS as part of security best practices by GitHub (microsof…

…t#328)

* Add CODEOWNER as part of security best practices by GitHub. For now, it is recommended to at least have work flows

* Typo ... missing a "." from beginning. Should be .github and not just github

.github/CODEOWNERS

@@ -0,0 +1,5 @@
+# Recommended by GitHub best practices to have a Code Owner defined especially for .GitHub folder
+# NOTE: Order is important; the last matching pattern takes the most precedence.
+
+# For Workflows used by GitHub Actions
+/.github/workflows/ @darrenge