Update OCaml.gitignore (github#3010)

bcc32 · shiftkey · commit 6d467f5ebe94 · 2019-03-21T14:10:28.000-03:00
diff --git a/OCaml.gitignore b/OCaml.gitignore
@@ -21,3 +21,9 @@ setup.log
 
 # Merlin configuring file for Vim and Emacs
 .merlin
+
+# Dune generated files
+*.install
+
+# Local OPAM switch
+_opam/
