Add CODEOWNERS file for automated PR review assignment (googleads#395)

BenRKarl · web-flow · commit 969eff5b6c3c · 2021-03-18T14:18:38.000-04:00
diff --git a/CODEOWNERS b/CODEOWNERS
@@ -0,0 +1 @@
+* @googleads/google-ads-python-codereview

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+* @googleads/google-ads-python-codereview`