Easing functions

content/docs/programming/web.adoc

@@ -40,4 +40,5 @@ http {
 === Useful links
 
 - https://simpleicons.org/ - SVG icons for brands, including social media sites and programming languages
-- https://css-tricks.com/snippets/css/a-guide-to-flexbox/ - Great flexbox reference
+- https://css-tricks.com/snippets/css/a-guide-to-flexbox/ - Great flexbox reference
+- https://easings.net/en - Easing functions cheat sheet