add icons to styleguide

styleguide/assets/icon/arrow_up.svg

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="600"
+   height="600"
+   viewBox="0 0 158.75 158.75"
+   version="1.1"
+   id="svg1"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs1" />
+  <g
+     id="layer1">
+    <path
+       style="stroke-linecap:round;stroke-linejoin:round"
+       d="m 69.726562,0.2734375 c -9.054495,0 -16.53711,7.4826138 -16.537109,16.5371095 10e-7,9.054495 7.482614,16.535156 16.537109,16.535156 H 112.7207 c 0.99564,0 1.2193,0.354994 1.48243,0.990234 0.26312,0.635241 0.35636,1.045976 -0.34766,1.75 L 40.927734,109.01367 a 6.6146002,6.6146002 0 0 0 0,9.35352 6.6146002,6.6146002 0 0 0 9.355469,0 L 123.21094,45.439453 c 4.474,-4.474003 5.32156,-11.079938 3.21484,-16.166016 -2.10672,-5.086077 -7.37788,-9.15625 -13.70508,-9.15625 H 69.726562 c -1.904905,0 -3.30664,-1.401735 -3.30664,-3.30664 0,-1.904905 1.401736,-3.308594 3.30664,-3.308594 h 69.453128 c 3.73147,0 6.61523,2.883763 6.61523,6.615234 v 66.146485 a 6.6146002,6.6146002 0 0 0 6.61328,6.613281 6.6146002,6.6146002 0 0 0 6.61524,-6.613281 V 20.117187 c 0,-10.881062 -8.96269,-19.8437495 -19.84375,-19.8437495 z"
+       id="path2"
+       transform="rotate(-45,108.89732,92.149922)" />
+  </g>
+</svg>