update artifacts

bobzhang · bobzhang · commit fb67fc1cea25 · 2020-08-03T11:40:00.000+08:00
diff --git a/jscomp/artifacts.json b/jscomp/artifacts.json
@@ -14,6 +14,7 @@
     "package.json",
     "COPYING.LESSER",
     "Changes.md",
+    "CONTRIBUTING_EXTRA.md",
     "CONTRIBUTING.md",
     "DCO.md",
     "README.md",
