Update TODO

TODO.md

@@ -1,7 +1,6 @@
 - Multi edit icon pack
 - Generated code as val or lazy delegate
 - Rename icon in icon pack
-- Preview icon on square background pattern
 - Simple mode without package
 - Add version into plugin settings
 - Export/import iconpack configuration into file
@@ -10,4 +9,5 @@
 - Add limitations for ImageVector
 - Update Readme demo with latest plugin design
 - Update classes visibility
-- Continues drag & drop
+- Continues drag & drop
+- Add changelog into plugin