Bump version

Bump version

diff --git a/lib/discourse_theme/version.rb b/lib/discourse_theme/version.rb
index 3f3be6d..6697293 100644
--- a/lib/discourse_theme/version.rb
+++ b/lib/discourse_theme/version.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 module DiscourseTheme
-  VERSION = "0.3.5"
+  VERSION = "0.4.0"
 end

GitHub sha: a5d2e1886659aacc8c1fa79862ff09b14d09d52d