Add arrowdown svg

components/arrowdown.js

@@ -0,0 +1,7 @@
+import React from 'react'
+
+export default () => (
+  <svg xmlns="http://www.w3.org/2000/svg" width="10" height="6" viewBox="0 0 10 6">
+    <path fill="#506874" fillRule="evenodd" d="M93.7890633,17.6396882 L97.4926052,14.0851393 C97.6061243,13.9716202 97.7196417,13.9716202 97.8331608,14.0851393 L98.4929872,14.723681 C98.6065063,14.8372001 98.6065063,14.9507175 98.4929872,15.0642366 L93.9593411,19.4063203 C93.9167714,19.4488899 93.8600127,19.4701744 93.7890633,19.4701744 C93.7181138,19.4701744 93.6613552,19.4488899 93.6187855,19.4063203 L89.0851393,15.0642366 C88.9716202,14.9507175 88.9716202,14.8372001 89.0851393,14.723681 L89.7449658,14.0851393 C89.8584849,13.9716202 89.9720022,13.9716202 90.0855213,14.0851393 L93.7890633,17.6396882 Z" transform="translate(-89 -14)"/>
+  </svg>
+)