Add code and style for basic map display

sprites/arrow-right.svg

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="87.468567mm"
+   height="51.023762mm"
+   viewBox="0 0 87.468567 51.023762"
+   version="1.1"
+   id="svg1"
+   sodipodi:docname="arrow-right.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#505050"
+     bordercolor="#eeeeee"
+     borderopacity="1"
+     inkscape:showpageshadow="0"
+     inkscape:pageopacity="0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm" />
+  <defs
+     id="defs1" />
+  <g
+     id="layer1"
+     inkscape:export-filename="layer1.svg"
+     inkscape:export-xdpi="768"
+     inkscape:export-ydpi="768"
+     transform="translate(-35.378201,-76.296118)">
+    <path
+       id="rect1"
+       style="fill:#000000;stroke-width:1.32292"
+       d="M 78.678918,76.296118 78.66755,90.9283 H 35.378202 v 21.7594 h 43.272811 l -0.01137,14.63218 44.207127,-25.47752 z" />
+  </g>
+</svg>