add logo image

docs/images/logo.svg

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<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"
+   width="76.989662mm"
+   height="76.989662mm"
+   viewBox="0 0 76.989662 76.989662"
+   version="1.1"
+   id="svg8"
+   inkscape:version="0.92.1 r15371"
+   sodipodi:docname="logo.svg"
+   inkscape:export-filename="/home/born/Public/Logo/threevis/logo-1024.png"
+   inkscape:export-xdpi="337.83237"
+   inkscape:export-ydpi="337.83237">
+  <defs
+     id="defs2" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="2.8"
+     inkscape:cx="261.90383"
+     inkscape:cy="129.1989"
+     inkscape:document-units="mm"
+     inkscape:current-layer="g4646"
+     showgrid="false"
+     showborder="true"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:showpageshadow="false"
+     borderlayer="true"
+     inkscape:window-width="2560"
+     inkscape:window-height="1347"
+     inkscape:window-x="0"
+     inkscape:window-y="273"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="axonomgrid"
+       id="grid4485"
+       units="px"
+       empspacing="8"
+       spacingy="0.26458333"
+       originx="7.3323481"
+       originy="-11.246833" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata5">
+    <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></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     style="display:inline"
+     inkscape:label="logo"
+     inkscape:groupmode="layer"
+     id="g4646"
+     transform="translate(7.3323483,-208.7635)">
+    <g
+       id="g4653"
+       transform="rotate(90,31.162483,247.25833)">
+      <path
+         style="opacity:1;fill:#407fb7;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:normal"
+         d="m 31.162478,240.90833 5.499263,3.175 18.330876,-10.58333 -5.49927,-3.175 -12.831606,7.40833 v -14.81666 l -5.499262,-3.175 z"
+         id="path4634"
+         inkscape:connector-curvature="0"
+         sodipodi:nodetypes="cccccccc" />
+      <path
+         sodipodi:nodetypes="cccccccc"
+         inkscape:connector-curvature="0"
+         id="path4638"
+         d="m 31.162478,253.60833 5.499263,-3.175 18.330876,10.58333 -5.49927,3.175 -12.831606,-7.40833 v 14.81666 l -5.499262,3.175 z"
+         style="opacity:1;fill:#407fb7;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:normal" />
+      <path
+         style="opacity:1;fill:#407fb7;fill-opacity:1;stroke:none;stroke-width:0.5;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:normal"
+         d="m 25.663218,244.08333 v 6.35 l -18.3308697,10.58334 4e-6,-6.35 L 20.163957,247.25833 7.3323483,239.85 v -6.35 z"
+         id="path4642"
+         inkscape:connector-curvature="0"
+         sodipodi:nodetypes="cccccccc" />
+    </g>
+  </g>
+</svg>