Update header.html

Update header with new logo

Author: imbaah

app/_includes/header.html

@@ -2,7 +2,7 @@
 	<div class="navbar-background">
 		<div class="nav-icon">
 			<a href="{{site.baseurl}}/{{site.data[locale].home}}">
-				<img src="{{site.baseurl}}/assets/graphics/meta/MM-White.svg" width="94px" alt="{{site.data[locale].img-alt.MM-White}}">
+				<img src="{{site.baseurl}}/assets/graphics/meta/MM_white_typography.svg" width="94px" alt="{{site.data[locale].img-alt.MM-White}}">
 			</a>
 		</div>
 		<div class="nav-list">