add kami square svg asset and update png one

assets/kamisquare.svg

@@ -0,0 +1,110 @@
+<?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="29.765623mm"
+   height="29.765623mm"
+   viewBox="0 0 29.765623 29.765623"
+   version="1.1"
+   id="svg16"
+   sodipodi:docname="kamiSquare.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   inkscape:export-filename="/home/usr/Downloads/bitmap.png"
+   inkscape:export-xdpi="873.81342"
+   inkscape:export-ydpi="873.81342">
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="5.12"
+     inkscape:cx="-25.609024"
+     inkscape:cy="56.607398"
+     inkscape:document-units="mm"
+     inkscape:current-layer="layer3"
+     showgrid="false"
+     inkscape:window-width="1920"
+     inkscape:window-height="1056"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0" />
+  <metadata
+     id="metadata13">
+    <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
+     inkscape:groupmode="layer"
+     id="layer3"
+     inkscape:label="Layer 3">
+    <rect
+       id="rect3774"
+       width="30.024006"
+       height="29.97233"
+       x="-0.10335286"
+       y="-0.051678356"
+       style="fill:#9b90ff;fill-opacity:1;stroke-width:0.26458332" />
+  </g>
+  <g
+     inkscape:groupmode="layer"
+     id="layer2"
+     inkscape:label="Layer 2"
+     style="display:inline">
+    <ellipse
+       style="display:inline;opacity:1;fill:#d2242a;fill-opacity:1;stroke:none;stroke-width:0;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:stroke fill markers"
+       id="path3737"
+       cx="14.882812"
+       cy="14.882812"
+       r="14.882812" />
+  </g>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     style="display:inline;opacity:1">
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:16.22777748px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.26458332"
+       x="-0.63905764"
+       y="21.008797"
+       id="text20"><tspan
+         sodipodi:role="line"
+         id="tspan18"
+         x="-0.63905764"
+         y="21.008797"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:16.22777748px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke-width:0.26458332">カミ</tspan></text>
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-weight:normal;font-size:10.58333302px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.26458332"
+       x="13.33252"
+       y="138.4567"
+       id="text32"><tspan
+         sodipodi:role="line"
+         id="tspan30"
+         x="13.33252"
+         y="147.82047"
+         style="stroke-width:0.26458332" /></text>
+  </g>
+</svg>