Add link to the internal documentation on scan

b4409a4d · Razvan Pascanu · 2ef3ad37 · b4409a4d
--- a/doc/developer/index.txt
+++ b/doc/developer/index.txt
@@ -10,3 +10,4 @@ Theano Design and Implementation Documentation
   :maxdepth: 2

   tensor
+   scan