Add doxygen to sphinx
diff --git a/.gitignore b/.gitignore
index f45649b..fea5e90 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 doc/_build
 !doc/Makefile
 mnt/*
+doc/_dox*
\ No newline at end of file