Clean the client code and add an empty settings page

assets/leftArrowButton.svg

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="512"
+   height="512"
+   viewBox="0 0 135.46667 135.46667"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4 (86a8ad7, 2024-10-11)"
+   sodipodi:docname="leftArrowButton.svg"
+   inkscape:export-filename="..\public\assets\downloadButton.png"
+   inkscape:export-xdpi="24"
+   inkscape:export-ydpi="24"
+   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">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#505050"
+     bordercolor="#eeeeee"
+     borderopacity="1"
+     inkscape:showpageshadow="0"
+     inkscape:pageopacity="0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#505050"
+     inkscape:document-units="mm"
+     inkscape:zoom="0.65382425"
+     inkscape:cx="219.47794"
+     inkscape:cy="279.127"
+     inkscape:window-width="3440"
+     inkscape:window-height="1369"
+     inkscape:window-x="1072"
+     inkscape:window-y="201"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       style="fill:none;fill-opacity:0.5;stroke:#ffffff;stroke-width:6.35;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1"
+       d="M 127.2646,68.527095 H 8.2020718 M 50.535429,110.86043 8.2020718,68.527095 50.535429,26.193762"
+       id="path1"
+       sodipodi:nodetypes="ccccc" />
+  </g>
+</svg>