Update new talk icon svg.

Signed-off-by: Ivan Sein <ivan@nextcloud.com>

docs/App icons/talk-icon.svg

@@ -0,0 +1,69 @@
+<?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"
+   inkscape:version="1.1-dev (f9311a1, 2019-12-25)"
+   sodipodi:docname="talk8.svg"
+   id="svg19"
+   xml:space="preserve"
+   viewBox="0 0 1024 1024"
+   version="1.1"
+   stroke-miterlimit="1.4142"
+   stroke-linejoin="round"
+   fill-rule="evenodd"
+   clip-rule="evenodd"><metadata
+   id="metadata23"><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><sodipodi:namedview
+   inkscape:current-layer="svg19"
+   inkscape:window-maximized="1"
+   inkscape:window-y="23"
+   inkscape:window-x="1440"
+   inkscape:cy="522.40348"
+   inkscape:cx="510.51379"
+   inkscape:zoom="0.67285156"
+   showgrid="false"
+   id="namedview21"
+   inkscape:window-height="1035"
+   inkscape:window-width="1920"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
+   guidetolerance="10"
+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   inkscape:document-rotation="0"
+   bordercolor="#666666"
+   pagecolor="#ffffff" /><defs
+   id="defs15"><linearGradient
+     gradientUnits="userSpaceOnUse"
+     gradientTransform="matrix(8.96 0 0 8.96 -7.8457e-5 .00019795)"
+     y2="-7.6294e-6"
+     y1="150"
+     x2="150"
+     x1="18.23"
+     id="a"><stop
+       id="stop10"
+       offset="0"
+       stop-color="#0082c9" /><stop
+       id="stop12"
+       offset="1"
+       stop-color="#1cafff" /></linearGradient></defs>
+<rect
+   id="rect17"
+   fill-rule="evenodd"
+   fill="url(#a)"
+   height="1024"
+   width="1024"
+   y=".00012207" /><path
+   style="fill:#ffffff"
+   inkscape:connector-curvature="0"
+   d="M 511.95919,186 A 325.96385,325.95103 0 0 0 186,511.96034 325.96385,325.95103 0 0 0 511.95919,837.91133 325.96385,325.95103 0 0 0 681.04889,790.22529 c 40.06218,15.91895 129.79781,63.14682 151.15526,42.74701 22.3177,-21.31206 -26.20129,-121.61808 -37.83331,-158.89148 A 325.96385,325.95103 0 0 0 837.91466,511.95755 325.96385,325.95103 0 0 0 511.96013,186.01118 Z m 0.0373,123.92323 A 202.1178,202.11161 0 0 1 714.11425,512.03485 202.1178,202.11161 0 0 1 511.99645,714.13247 202.1178,202.11161 0 0 1 309.87866,512.03485 202.1178,202.11161 0 0 1 511.99645,309.92323 Z"
+   stroke-width="0.14"
+   fill="#000"
+   id="path25" /></svg>