add stack files to .gitignore

egisatoshi · egisatoshi · commit 0eebe1d60a3f · 2018-04-09T12:45:08.000+09:00
diff --git a/.gitignore b/.gitignore
@@ -9,3 +9,5 @@ cabal.sandbox.config
 egison.prof
 euler/
 test.egi
+stack.yaml
+.stack-work
