Mark distribution artefact design document as implemented

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Change-Id: I080c6b32cd0b206b176700dad8b6e1ce799856ae
Reviewed-on: https://cr.bazel.build/7537
MOS_MIGRATED_REVID=140578960

site/designs/_posts/2016-10-11-distribution-artifact.md

diff --git a/site/designs/_posts/2016-10-11-distribution-artifact.md b/site/designs/_posts/2016-10-11-distribution-artifact.md
index 2774dcf..c0a20e8 100644
--- a/site/designs/_posts/2016-10-11-distribution-artifact.md
+++ b/site/designs/_posts/2016-10-11-distribution-artifact.md
@@ -5,7 +5,7 @@
 
 # Distribution Artifact for Bazel
 
-**Status**: Not implemented
+**Status**: Implemented
 
 **Author**: [Klaus Aehlig](mailto:aehlig@google.com)