Add first version of the food theme

assets/layers/food/fastfood.svg

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   width="16"
+   height="16"
+   viewBox="0 0 16 16"
+   id="svg2">
+  <metadata id="metadata8">
+    <rdf:RDF>
+      <cc:Work rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
+        <dc:title/>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs id="defs6"/>
+  <rect width="16" height="16" x="0" y="0" id="canvas" style="fill:none;stroke:none;visibility:hidden"/>
+  <path d="M 5,3 C 2,3 0.960032,5.000799 1,6 L 1,7 13,7 13,6 C 13,5 12,3 9,3 z M 1,8 C 0,8 0,9 1,9 l 12,0 c 1,0 1,-1 0,-1 z m 0,2.03125 0,0.625 C 1,11.34045 1.81579,12 2.5,12 l 9,0 c 0.68421,0 1.5,-0.65955 1.5,-1.34375 l 0,-0.625 z" id="fast-food" style="fill:#C77400;fill-opacity:1;stroke:none" transform="translate(1,1)"/>
+</svg>