[odrs-web/production] Add a robots.txt

[Richard Hughes <rhughes src gnome org>]

commit 5cd68651f1d5d57972dc9544b33cb53c6dbf933a
Author: Richard Hughes <richard hughsie com>
Date:   Fri Jan 12 14:07:17 2018 +0000

    Add a robots.txt
    
    We don't need or want the reviews to be trawled.

 app/static/robots.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/app/static/robots.txt b/app/static/robots.txt
new file mode 100644
index 0000000..084cd33
--- /dev/null
+++ b/app/static/robots.txt
@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: /admin/