trying source context

services/docstore/source-context.json

@@ -0,0 +1,6 @@
+{
+  "git": {
+    "revisionId": "a579e7bed4bc66abc091c3cb41057cc88e341d85", 
+    "url": "git@github.com:sharelatex/docstore-sharelatex.git"
+  }
+}