Add link from elm package to text system preview

Author: cedricss

src/Css/Systems/Spacing.elm

@@ -33,8 +33,6 @@ Use fluid and size values to set width, height, maxWidth and maxHeight of layout
                 ]
             ]
 
-![Sizing systems](https://github.com/cedricss/elm-css-systems/raw/master/img/sizing.png)
-
 
 # Spacing
 

src/Css/Systems/Text.elm

@@ -13,6 +13,8 @@ module Css.Systems.Text exposing
 
 # Font size system
 
+[cedricsoulas.com/elm/css/systems#text](https://cedricsoulas.com/elm/css/systems#text)
+
 @docs textXS, textSM, textBase, textLG, textXL, text2XL, text3XL, text4XL, text5XL, text6XL
 
 -}