Update README.md

Author: mahdibland

README.md

@@ -1,6 +1,8 @@
 # Selenium Proxy Authentication For Firefox
 
 > Easily add your auth proxies to your Firefox (Gecko) Driver with one line of code With Extension
+> <br />
+> <br />
 > ! You need to download the "Nightly" or "Developer Edition" of firefox because in the original browser extensions should be verified before installing since version 43
 
 ## Installation