Update ignore files

Change-Id: I170fe433f5d34623cfd03a0ac9008ea7c2e1fb87
diff --git a/.gitignore b/.gitignore
index 2b36f37..d09daf2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 reference
 inst/**/skeleton/skeleton.html
 target/
+.positai