Bump version to 2.0.4

Author: mikhailmaslo

BottomSheet.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name         = "BottomSheet"
-  spec.version      = "2.0.3"
+  spec.version      = "2.0.4"
   spec.summary      = "Bottom Sheet for iOS"
   spec.homepage     = "https://medium.com/joomtech/bottom-sheet-shall-we-drop-the-formalities-400515255829"
   spec.license      = { :type => "MIT", :file => "LICENSE" }