add back context override

diff --git a/templates/context.override.json b/templates/context.override.json
new file mode 100644 (file)
index 0000000..10c128b
--- /dev/null
+++ b/templates/context.override.json
@@ -0,0 +1,4 @@
+{
+    "linkbase": "http://pgopen2018.snowman.net/",
+    "mediabase": "http://pgopen2018.snowman.net/"
+}