Added monochrome icon

src/Icons/skin/qbittorrent_mono.svg

@@ -0,0 +1,51 @@
+<?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"
+   version="1.1"
+   width="800"
+   height="800"
+   id="svg2">
+  <defs
+     id="defs4" />
+  <metadata
+     id="metadata7">
+    <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
+     transform="translate(0,-252.36218)"
+     id="layer1">
+    <g
+       id="g3030">
+      <path
+         d="m 598.01031,298.96432 a 299.00516,299.00516 0 1 1 -598.01031,0 299.00516,299.00516 0 1 1 598.01031,0 z"
+         transform="matrix(1.1666466,0,0,1.1666466,46.633665,300.02817)"
+         id="path2987"
+         style="opacity:0.95;fill:none;stroke:#f5f5f5;stroke-width:44.85762787;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" />
+      <text
+         x="406.53555"
+         y="759.0484"
+         transform="scale(0.95696391,1.0449715)"
+         id="text3757"
+         xml:space="preserve"
+         style="font-size:149.85069275px;font-style:normal;font-weight:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#fafafa;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"><tspan
+           x="406.53555"
+           y="759.0484"
+           id="tspan3759"
+           style="font-size:539.46252441px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:center;text-anchor:middle;fill:#fafafa;fill-opacity:1;font-family:Arial;-inkscape-font-specification:Arial">qb</tspan></text>
+    </g>
+  </g>
+</svg>