✨(react) add Button token font-family

Components font-family have to be customizable.

.changeset/lemon-bears-own.md

@@ -0,0 +1,5 @@
+---
+"@openfun/cunningham-react": patch
+---
+
+Add Button token font-family

packages/react/src/components/Button/index.scss

@@ -6,6 +6,7 @@
   cursor: pointer;
   display: flex;
   font-weight: var(--c--components--button--font-weight);
+  font-family: var(--c--components--button--font-family);
   transition: all var(--c--theme--transitions--duration) var(--c--theme--transitions--ease-out);
   user-select: none;
 

packages/react/src/components/Button/tokens.ts

@@ -9,5 +9,6 @@ export const tokens = (defaults: DefaultTokens) => {
     "medium-font-size": defaults.theme.font.sizes.l,
     "small-font-size": defaults.theme.font.sizes.m,
     "font-weight": defaults.theme.font.weights.regular,
+    "font-family": defaults.theme.font.families.base,
   };
 };

packages/react/src/cunningham-tokens.css

@@ -202,4 +202,5 @@
 	--c--components--button--medium-font-size: var(--c--theme--font--sizes--l);
 	--c--components--button--small-font-size: var(--c--theme--font--sizes--m);
 	--c--components--button--font-weight: var(--c--theme--font--weights--regular);
+	--c--components--button--font-family: var(--c--theme--font--families--base);
 }