Add Source Mage deprecation notice

tianon · tianon · commit a46ad4f765d1 · 2020-06-23T17:21:14.000-07:00
diff --git a/sourcemage/deprecated.md b/sourcemage/deprecated.md
@@ -0,0 +1,3 @@
+This image is deprecated due to maintainer inactivity (last updated Dec 2016; [docker-library/official-images#2403](https://github.com/docker-library/official-images/pull/2403)).
+
+See [docker-library/docs#1433](https://github.com/docker-library/docs/pull/1433) for discussion around an in-progress upstream update.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+This image is deprecated due to maintainer inactivity (last updated Dec 2016; [docker-library/official-images#2403](https://github.com/docker-library/official-images/pull/2403)).`
	`2`	`+`
	`3`	`+See [docker-library/docs#1433](https://github.com/docker-library/docs/pull/1433) for discussion around an in-progress upstream update.`