Add Qt5/KDE based "application host" (systray icon, native notifications)

icons/icon_0.svg

@@ -0,0 +1,96 @@
+<?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"
+   width="256"
+   height="256"
+   viewBox="0 0 67.733332 67.733335"
+   version="1.1"
+   id="svg8"
+   inkscape:version="1.0.1 (3bc2e813f5, 2020-09-07)"
+   sodipodi:docname="icon_0.svg">
+  <defs
+     id="defs2" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="3.959798"
+     inkscape:cx="96.726796"
+     inkscape:cy="133.29632"
+     inkscape:document-units="mm"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="false"
+     units="px"
+     showguides="false"
+     inkscape:window-width="1920"
+     inkscape:window-height="1135"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <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 />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#808080;fill-opacity:1;stroke:#7f7f7f;stroke-width:2.11666667;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;stroke-linejoin:miter;opacity:0.5"
+       id="rect889"
+       width="63.500004"
+       height="46.302082"
+       x="2.1166673"
+       y="10.715626" />
+    <rect
+       style="fill:#1a1a1a;fill-opacity:1;stroke-width:0.330729"
+       id="rect10"
+       width="63.5"
+       height="42.333332"
+       x="2.1166673"
+       y="14.684376" />
+    <rect
+       style="fill:#cccccc;fill-opacity:1;stroke-width:0.0980494"
+       id="rect10-3"
+       width="59.53125"
+       height="3.96875"
+       x="2.1166673"
+       y="10.715626" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-weight:normal;font-size:29.1042px;line-height:1.25;font-family:sans-serif;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
+       x="4.7997642"
+       y="43.432621"
+       id="text856"><tspan
+         sodipodi:role="line"
+         id="tspan854"
+         x="4.7997642"
+         y="43.432621"
+         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:29.1042px;font-family:Hack;-inkscape-font-specification:Hack;fill:#00ff00;stroke-width:0.264583">&gt;yt</tspan></text>
+    <rect
+       style="fill:#666666;fill-opacity:1;stroke-width:0.0253162"
+       id="rect869"
+       width="3.9687486"
+       height="3.96875"
+       x="61.647919"
+       y="10.715626" />
+  </g>
+</svg>