Add directories.

Former-commit-id: 3d9df3e0547869681b2550e495f827b8bc108d34
2018-09-26 17:00:39 -06:00 · 2018-09-26 17:00:39 -06:00 · b3c83f6e6f
--- a/build/.gitignore
+++ b/build/.gitignore
@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
--- a/images/.gitignore
+++ b/images/.gitignore
@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore