Add code and style for basic map display

sprites/first-aid.svg

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="50mm"
+   height="50.000004mm"
+   viewBox="0 0 50 50.000004"
+   version="1.1"
+   id="svg1"
+   inkscape:export-filename="bench.svg"
+   inkscape:export-xdpi="768"
+   inkscape:export-ydpi="768"
+   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
+     inkscape:label="Ebene 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-70.000002,-89.999997)">
+    <g
+       id="g3">
+      <rect
+         style="fill:#005108;fill-opacity:1;stroke-width:1.38893"
+         id="rect2"
+         width="50"
+         height="50"
+         x="70"
+         y="90" />
+      <rect
+         style="fill:#ffffff;stroke-width:1.53814"
+         id="rect3"
+         width="15"
+         height="40"
+         x="87.5"
+         y="95" />
+      <rect
+         style="fill:#ffffff;stroke-width:1.53814"
+         id="rect3-2"
+         width="15"
+         height="40"
+         x="107.5"
+         y="-115"
+         transform="rotate(90)" />
+    </g>
+  </g>
+</svg>