Add favicon

  * Generated with JetBrains Code2Art

  * Link: https://code2art.jetbrains.com/#1aa8e305

  * Tool source code: https://github.com/JetBrains/open-radiant

## Font Awesome

* Files: `img/portal.svg`

  * Based on the Font Awesome Icon `layer-group-solid` by Font Awesome, with modifications: Colors added

  * Link: https://fontawesome.com/icons/layer-group?f=classic&s=solid

  * License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

  * See also https://fontawesome.com/license/free

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<svg

   viewBox="0 0 576 512"

   version="1.1"

   id="svg1"

   sodipodi:docname="layer-group-solid.svg"

   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25, custom)"

   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"

   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"

   xmlns="http://www.w3.org/2000/svg"

   xmlns:svg="http://www.w3.org/2000/svg">

  <defs

     id="defs1" />

  <sodipodi:namedview

     id="namedview1"

     pagecolor="#ffffff"

     bordercolor="#000000"

     borderopacity="0.25"

     inkscape:showpageshadow="2"

     inkscape:pageopacity="0.0"

     inkscape:pagecheckerboard="0"

     inkscape:deskcolor="#d1d1d1"

     inkscape:zoom="0.19357639"

     inkscape:cx="-165.30942"

     inkscape:cy="945.36323"

     inkscape:window-width="1920"

     inkscape:window-height="1008"

     inkscape:window-x="0"

     inkscape:window-y="0"

     inkscape:window-maximized="1"

     inkscape:current-layer="svg1" />

  <path

     d="m 476.9,209.6 53.2,24.6 c 8.5,3.9 13.9,12.4 13.9,21.8 0,9.4 -5.4,17.9 -13.9,21.8 l -218.6,101 c -14.9,6.9 -32.1,6.9 -47,0 L 45.9,277.8 C 37.4,273.8 32,265.3 32,256 c 0,-9.3 5.4,-17.9 13.9,-21.8 l 53.2,-24.6 152,70.2 c 23.4,10.8 50.4,10.8 73.8,0 z"

     id="path1"

     sodipodi:nodetypes="ccsccccsccccccc"

     style="fill:#699de7;fill-opacity:1;stroke:none;stroke-opacity:1" />

  <!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->

  <path

     d="m 476.9,337.6 53.2,24.6 c 8.5,3.9 13.9,12.4 13.9,21.8 0,9.4 -5.4,17.9 -13.9,21.8 l -218.6,101 c -14.9,6.9 -32.1,6.9 -47,0 L 45.9,405.8 C 37.4,401.8 32,393.3 32,384 c 0,-9.3 5.4,-17.9 13.9,-21.8 l 53.2,-24.6 152,70.2 c 23.4,10.8 50.4,10.8 73.8,0 z"

     id="path1-6"

     sodipodi:nodetypes="ccsccccsccccccc"

     style="fill:#2369bf;fill-opacity:1" />

  <path

     d="m 264.5,5.2 c 14.9,-6.9 32.1,-6.9 47,0 l 218.6,101.00001 c 8.5,3.9 13.9,12.4 13.9,21.8 0,9.4 -5.4,17.9 -13.9,21.8 l -218.6,101 c -14.9,6.90001 -32.1,6.90001 -47,0 l -218.6,-101 c -8.5,-4 -13.9,-12.5 -13.9,-21.8 0,-9.3 5.4,-17.9 13.9,-21.8 z"

     id="path1-2"

     sodipodi:nodetypes="cccsccccscccc"

     style="fill:#246ac1;fill-opacity:1" />

</svg>