Add send email icon, add default icons series

assets/svg/send_email.svg

@@ -0,0 +1,89 @@
+<?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"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   id="svg4"
+   version="1.1"
+   viewBox="0 0 114 114"
+   height="114"
+   width="114"
+   sodipodi:docname="send_email.svg"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1043"
+     id="namedview10"
+     showgrid="false"
+     inkscape:zoom="8.2807017"
+     inkscape:cx="88.036216"
+     inkscape:cy="65.244666"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4" />
+  <metadata
+     id="metadata10">
+    <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="defs8" />
+  <path
+     id="path817"
+     d="M 3.8621242,4.4070108 30.859027,32.600653 c 0,0 10.017786,11.850409 21.207654,0 C 68.137354,15.581325 79.709909,3.9950038 79.709909,3.9950038"
+     style="fill:none;stroke:#000000;stroke-width:6.67276907;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+     inkscape:connector-curvature="0" />
+  <path
+     id="path823"
+     d="M 3.5728144,4.2106267 79.709909,3.9950038 79.830672,61.118664"
+     style="fill:none;stroke:#000000;stroke-width:6.57718801;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="ccc" />
+  <path
+     id="path823-3"
+     d="M 80.022174,61.299435 3.5728144,61.696575 V 4.2106267"
+     style="fill:none;stroke:#000000;stroke-width:6.57718801;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+     inkscape:connector-curvature="0" />
+  <path
+     d="M 56.292497,77.917252 V 95.007654 H 88.45805 v 16.606216 l 24.81119,-24.785005 -24.81119,-25.099078 0.0066,16.194007 z"
+     id="path4"
+     inkscape:connector-curvature="0"
+     sodipodi:nodetypes="cccccccc"
+     style="stroke-width:0.09253246" />
+  <g
+     inkscape:groupmode="layer"
+     id="layer1"
+     inkscape:label="bg"
+     style="display:none">
+    <circle
+       style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1"
+       id="path828"
+       cx="86.758408"
+       cy="87.016083"
+       r="35.352345" />
+  </g>
+  <g
+     inkscape:groupmode="layer"
+     id="layer2"
+     inkscape:label="fg" />
+</svg>