Add guidelines for all categories

public/icons/music-note.svg

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   height="48"
+   width="48"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="music-note.svg"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04, 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="defs8" />
+  <sodipodi:namedview
+     id="namedview6"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     showgrid="false"
+     inkscape:zoom="13.125"
+     inkscape:cx="24"
+     inkscape:cy="24"
+     inkscape:window-width="1920"
+     inkscape:window-height="983"
+     inkscape:window-x="482"
+     inkscape:window-y="768"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4" />
+  <path
+     d="M19.65 42Q16.5 42 14.325 39.825Q12.15 37.65 12.15 34.5Q12.15 31.35 14.325 29.175Q16.5 27 19.65 27Q21.05 27 22.175 27.4Q23.3 27.8 24.15 28.5V6H35.85V12.75H27.15V34.5Q27.15 37.65 24.975 39.825Q22.8 42 19.65 42Z"
+     id="path2"
+     style="fill:#ffffff" />
+</svg>