feat: add black logo variant

source/images/logo-full-black.svg

+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="172" height="55.25" viewBox="0 0 172 55.25">
+  <defs>
+    <path id="a" d="M2.716 4.385h165.333V51.1H2.716z"/>
+  </defs>
+  <clipPath id="b">
+    <use xlink:href="#a" overflow="visible"/>
+  </clipPath>
+  <path clip-path="url(#b)" d="M24.691 7.159c-5.866 0-11.384 2.289-15.542 6.438-4.147 4.149-6.435 9.669-6.435 15.535 0 5.876 2.287 11.396 6.435 15.539 4.158 4.147 9.675 6.429 15.542 6.429 5.87 0 11.384-2.281 15.531-6.429 4.158-4.144 6.44-9.663 6.44-15.539 0-5.866-2.282-11.386-6.44-15.535-4.146-4.15-9.66-6.438-15.531-6.438m0 41.857c-10.965 0-19.885-8.915-19.885-19.884 0-10.962 8.919-19.88 19.885-19.88 10.961 0 19.883 8.918 19.883 19.88.001 10.969-8.922 19.884-19.883 19.884"/>
+  <path clip-path="url(#b)" d="M18.068 16.063v-3.077h-1.921v3.552c-1.301.401-2.056.815-1.932 1.069.431-.118 1.115-.169 1.932-.121v18.495c-1.962 3.833.861 9.698.861 9.698s-2.124-6.299 2.6-9.272c4.337-2.732 19.302-1.451 19.246-9.894-.065-11.962-13.868-11.891-20.786-10.45m6.177 11.597c-.673 3.185-4.147 4.845-6.177 6.224V17.779c3.459.83 7.525 3.489 6.177 9.881M59.936 9.602c-1.753 0-3.416.112-4.987.344v16.436h4.42v-5.167c.393.042.884.066 1.474.066 2.222 0 3.912-.517 5.071-1.554 1.153-1.033 1.733-2.559 1.733-4.569 0-3.702-2.571-5.556-7.711-5.556m2.722 7.709c-.529.455-1.288.682-2.268.682-.379 0-.718-.021-1.021-.068v-4.804c.346-.079.688-.114 1.021-.114 2.04 0 3.061.794 3.061 2.38 0 .827-.264 1.474-.793 1.924"/>
+  <path d="M69.733 9.832h4.987v16.55h-4.987z"/>
+  <defs>
+    <path id="c" d="M2.716 4.385h165.333V51.1H2.716z"/>
+  </defs>
+  <clipPath id="d">
+    <use xlink:href="#c" overflow="visible"/>
+  </clipPath>
+  <path clip-path="url(#d)" d="M86.441 26.381h4.648l-1.63-4.536c-.272-.734-.561-1.307-.863-1.708-.3-.398-.682-.729-1.135-.986v-.045c.938-.348 1.704-.932 2.295-1.744.588-.819.885-1.704.885-2.654 0-3.401-2.269-5.104-6.805-5.104-1.967 0-3.933.114-5.897.342v16.435h4.423v-5.778h1.019c.423 0 .765.114 1.022.337.257.229.467.603.634 1.136l1.404 4.305zM83.61 17.31h-1.248v-4.188c.344-.078.761-.112 1.248-.112 1.658 0 2.494.717 2.494 2.153 0 .662-.225 1.186-.669 1.574-.449.383-1.058.573-1.825.573"/>
+  <path d="M97.507 23.208h4.603l.772 3.174h4.806l-5.441-16.553h-4.76l-5.441 16.553h4.714l.747-3.174zm2.29-9.523h.046l1.474 6.125h-2.993l1.473-6.125zM104.399 4.385h-4.988l-2.267 4.088h3.626M111.863 26.382h4.625v-12.81h4.487v-3.74H107.37v3.74h4.493"/>
+  <defs>
+    <path id="e" d="M2.716 4.385h165.333V51.1H2.716z"/>
+  </defs>
+  <clipPath id="f">
+    <use xlink:href="#e" overflow="visible"/>
+  </clipPath>
+  <path clip-path="url(#f)" d="M128.277 23.097c-.756 0-1.586-.152-2.482-.458-.898-.302-1.734-.717-2.506-1.24l-1.021 3.508c.668.486 1.555.893 2.668 1.215 1.109.327 2.148.486 3.117.486 2.309 0 4.041-.43 5.189-1.301 1.148-.87 1.725-2.133 1.725-3.798 0-1.377-.484-2.506-1.455-3.39-.965-.885-2.635-1.644-5.008-2.278-.982-.27-1.475-.726-1.475-1.36 0-.411.184-.735.547-.989.365-.249.898-.371 1.605-.371 1.574 0 3.125.38 4.65 1.13l.793-3.51c-1.541-.758-3.426-1.138-5.666-1.138-2.088 0-3.705.442-4.854 1.316-1.15.877-1.723 2.064-1.723 3.562 0 1.36.467 2.487 1.406 3.379.936.891 2.508 1.653 4.715 2.288 1.211.348 1.814.837 1.814 1.475.002.98-.679 1.474-2.039 1.474"/>
+  <path d="M151.451 9.832h-5.215l-4.265 7.029h-.043V9.832h-4.537v16.55h4.537v-7.708h.043l4.492 7.708h5.213l-5.44-8.616M164.762 4.385h-4.991l-2.269 4.088h3.631M162.607 9.832h-4.76l-5.445 16.55h4.715l.75-3.174h4.602l.771 3.174h4.809l-5.442-16.55zm-3.925 9.976l1.475-6.125h.045l1.475 6.125h-2.995z"/>
+  <g>
+    <defs>
+      <path id="g" d="M2.716 4.385h165.333V51.1H2.716z"/>
+    </defs>
+    <clipPath id="h">
+      <use xlink:href="#g" overflow="visible"/>
+    </clipPath>
+    <path clip-path="url(#h)" d="M60.617 38.221c-.982-.27-1.476-.726-1.476-1.36 0-.407.184-.733.545-.987.363-.249.901-.372 1.608-.372 1.575 0 3.122.378 4.651 1.129l.792-3.508c-1.541-.76-3.43-1.14-5.667-1.14-2.085 0-3.707.442-4.851 1.319-1.151.876-1.724 2.062-1.724 3.559 0 1.36.467 2.487 1.406 3.38.937.892 2.509 1.652 4.716 2.287 1.207.349 1.812.839 1.812 1.474 0 .986-.678 1.476-2.038 1.476-.756 0-1.583-.148-2.483-.456-.9-.304-1.735-.715-2.507-1.242l-1.019 3.509c.665.486 1.553.891 2.665 1.215 1.111.327 2.149.489 3.118.489 2.31 0 4.042-.432 5.19-1.303 1.15-.871 1.726-2.135 1.726-3.798 0-1.375-.485-2.507-1.454-3.392-.966-.888-2.638-1.642-5.01-2.279"/>
+  </g>
+  <path d="M68.483 35.953h4.495v12.81h4.625v-12.81h4.486v-3.74H68.483"/>
+  <g>
+    <defs>
+      <path id="i" d="M2.716 4.385h165.333V51.1H2.716z"/>
+    </defs>
+    <clipPath id="j">
+      <use xlink:href="#i" overflow="visible"/>
+    </clipPath>
+    <path clip-path="url(#j)" d="M95.178 42.517c-.304-.398-.684-.73-1.141-.984v-.046c.939-.345 1.703-.93 2.291-1.745.592-.816.885-1.701.885-2.652 0-3.403-2.266-5.104-6.801-5.104-1.967 0-3.929.113-5.896.345v16.435h4.422v-5.779h1.021c.422 0 .765.112 1.02.338.257.227.469.604.636 1.134l1.405 4.308h4.646l-1.631-4.537c-.27-.741-.559-1.312-.857-1.713m-3.17-3.4c-.44.388-1.051.576-1.824.576h-1.246v-4.192c.347-.08.762-.113 1.246-.113 1.662 0 2.497.717 2.497 2.152 0 .664-.224 1.192-.673 1.577"/>
+  </g>
+  <path d="M104.287 32.213l-5.439 16.55h4.713l.748-3.174h4.605l.772 3.174h4.8l-5.438-16.55h-4.761zm.838 9.975l1.475-6.123h.047l1.475 6.123h-2.997zM125.762 41.282h-.049l-4.942-9.071h-4.421v16.553h4.421v-9.073h.047l4.944 9.073h4.42V32.211h-4.42M137.484 32.213l-5.443 16.55h4.717l.75-3.174h4.596l.773 3.174h4.812l-5.441-16.55h-4.764zm.838 9.975l1.473-6.123h.043l1.475 6.123h-2.991z"/>
+</svg>