add comment

igorbernstein2 · igorbernstein2 · commit cb6ccd275619 · 2021-04-20T14:39:55.000-04:00
diff --git a/google-cloud-bigtable/EnableAutoValue.txt b/google-cloud-bigtable/EnableAutoValue.txt
@@ -0,0 +1,2 @@
+This is a marker file to trigger auto-value injection into the annotation processor path
+https://github.com/googleapis/java-shared-config/blob/51c9f68ff1736761b21c921f078ab2c8675ff268/pom.xml#L758
