Update README.md

Author: Pyrofoux

README.md

@@ -11,11 +11,9 @@ Features :
 - Adding your favorite covers to a list - it won't be erased when you close the window
 - A cool name !
 
-Updated up to the 2019 exhibition.
+Updated up to the 2022 exhibition.
 
 Potential future features:
-- Updating images up to the 2020 exhibition
-- Adding images from 2005 to 2007 (lower quality)
 - Not hotlinking images from the Famicase Exhibition website
 
 Feel free to add your own features!