Chore: Add .github/CODEOWNERS file

See also: https://github.com/blog/2392-introducing-code-owners

Ref #347
Close #382

Author: alrra

.github/CODEOWNERS

@@ -0,0 +1,7 @@
+# For more information about the configurations used
+# in this file, please see GitHub's documentation.
+#
+# https://github.com/blog/2392-introducing-code-owners.
+
+*                       @alrra @austinkelleher @molant @patrick-steele-idem
+src/lib/connectors/*    @sarvaje