Update packages + update Typography setup

utils/typography.js

@@ -0,0 +1,20 @@
+import Typography from 'typography';
+
+const options = {
+  baseFontSize: '18px',
+  baseLineHeight: '27px',
+  modularScales: [
+    {
+      "scale": "minor third"
+    }
+  ]
+}
+
+const typography = new Typography(options)
+
+// Hot reload typography in development.
+if (process.env.NODE_ENV !== "production") {
+  typography.injectStyles()
+}
+
+export default typography