ajout de panneaux de contrôles, de paramètres et refactorisation de la gestion de l'audio

gui/ressources/textures/option-button-icon.svg

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   width="24"
+   height="24"
+   viewBox="0 0 24 24"
+   fill="#ffffff"
+   class="icon icon-tabler icons-tabler-filled icon-tabler-caret-down"
+   version="1.1"
+   id="svg2"
+   sodipodi:docname="option-button-icon.svg"
+   inkscape:version="1.3.2 (091e20e, 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="defs2" />
+  <sodipodi:namedview
+     id="namedview2"
+     pagecolor="#505050"
+     bordercolor="#ffffff"
+     borderopacity="1"
+     inkscape:showpageshadow="0"
+     inkscape:pageopacity="0"
+     inkscape:pagecheckerboard="1"
+     inkscape:deskcolor="#505050"
+     inkscape:zoom="37"
+     inkscape:cx="11.986486"
+     inkscape:cy="12"
+     inkscape:window-width="1920"
+     inkscape:window-height="1009"
+     inkscape:window-x="-8"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg2" />
+  <path
+     stroke="none"
+     d="M0 0h24v24H0z"
+     fill="none"
+     id="path1" />
+  <path
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+     id="path2" />
+</svg>