use local webfonts Alegreya and Junction

_sass/variables.scss

@@ -9,8 +9,8 @@
 $doc-font-size: 16;
 $doc-line-height: 26;
 $paragraph-indent: true !default;
-$base-font: 'PT Serif', serif;
-$heading-font: 'PT Sans Narrow', sans-serif;
+$base-font: 'Alegreya', serif;
+$heading-font: 'Junction', sans-serif;
 $code-font: Monaco, "Courier New", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", monospace;
 $alt-font: $base-font;