feat: add various system and theme icons, configuration files, and support assets

squashfs-root/usr/share/icons/Humanity-Dark/status/22/transmission-tray-icon.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg id="svg2" width="22" height="22" version="1.0" xmlns="http://www.w3.org/2000/svg">
+ <g id="g2829" transform="translate(-.0001879 -.99998)">
+  <path id="path3629" d="m12.774 11.492 2.933-8e-6 1.393 6.008h-12.1l1.375-6.008h2.933" style="fill:none;opacity:.4;stroke-linecap:square;stroke-linejoin:round;stroke:#969696"/>
+  <path id="rect3170" d="m12.774 10.492h3.7331l2 8.008h-14.932l2-8.008h3.7331" style="fill:none;stroke-linecap:square;stroke-linejoin:round;stroke:#969696"/>
+  <path id="path3172" d="m11 5v8.5" style="fill:none;opacity:.4;stroke:#969696"/>
+  <path id="path3176" d="m13 7.4995h2c2 0.5 2-2.5 0-2h-8c-2-0.5-2 2.5 0 2h2" style="fill:none;stroke-width:1px;stroke:#969696"/>
+  <path id="path3600" d="m9.5 5v8.5001h3v-8.5001" style="fill:none;stroke:#969696"/>
+  <path id="path3602" d="m6 6.4995h4" style="fill:none;opacity:.6;stroke:#969696"/>
+  <path id="path3604" d="m8 14 3 1.5 3-1.5h-6z" style="fill:none;opacity:.9;stroke:#969696"/>
+  <path id="path3627" d="m12 6.4995h4" style="fill:none;opacity:.6;stroke:#969696"/>
+  <path id="path3631" d="m12.774 10.492h3.7331l2 9.008h-14.932l2-9.008h3.7331" style="fill:none;stroke-linecap:square;stroke-linejoin:round;stroke:#969696"/>
+ </g>
+</svg>