Add .dart_tool/

chalin · web-flow · commit 91654d4e53a7 · 2018-01-31T20:26:54.000-05:00
Followup to dart-lang/site-www#444 (comment)
diff --git a/Dart.gitignore b/Dart.gitignore
@@ -1,6 +1,7 @@
 # See https://www.dartlang.org/tools/private-files.html
 
 # Files and directories created by pub
+.dart_tool/
 .packages
 .pub/
 build/
