fix(8.x.x): restore include to css variavles for v4 in style-guide.sc…

…ss (#323)

* chore(8.x.x): init after 8.1.6 merge to the master

* fix(8.x.x): restore include to css variavles for v4 in style-guide.scss

README.md

@@ -12,6 +12,6 @@ Fusion-UI also comes with built-in accessibility features, ensuring that your ap
 
 Whether you're building a simple website or a complex web application, Fusion-UI is the perfect choice for your UI needs. Get started today and experience the power and simplicity of Fusion-UI!
 
-**FusionUI installation:** 
+**FusionUI installation:**
 
 ```npm install --save @ironsource/fusion-ui```