move icons to img tags instead of inlined

data/static/icons/sticky.svg

@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><linearGradient id="a"><stop offset="0" stop-color="#9a2424"/><stop offset="1" stop-color="#c82e2e"/></linearGradient><linearGradient id="b" gradientUnits="userSpaceOnUse" x1="8" x2="8" y1="2" y2="14"><stop offset="0" stop-color="#f0dd85"/><stop offset=".5" stop-color="#f7ecaf"/><stop offset="1" stop-color="#f0dd85"/></linearGradient><linearGradient id="c" gradientUnits="userSpaceOnUse" x1="8" x2="8" xlink:href="#a" y1="5.5" y2="9.5"/><linearGradient id="d" gradientUnits="userSpaceOnUse" x1="8" x2="8" xlink:href="#a" y1="5.5" y2="4"/><linearGradient id="e" gradientUnits="userSpaceOnUse" x1="8" x2="8" xlink:href="#a" y1="10.5" y2="6.145898"/><g><path d="m3 2h10c.554 0 1 .446 1 1v7.5l-3.5 3.5h-7.5c-.554 0-1-.446-1-1v-10c0-.554.446-1 1-1z" fill="#6e632e" stroke-linecap="round" stroke-linejoin="round"/><path d="m3.5 3h9c.277 0 .5.223.5.5v6.5l-3 3h-6.5c-.277 0-.5-.223-.5-.5v-9c0-.277.223-.5.5-.5z" fill="url(#b)" stroke-linecap="round" stroke-linejoin="round"/><path d="m10 12.5 2.5-2.5h-3c1 1 .5 2.5.5 2.5z" fill="#6e632e"/><ellipse cx="6.5" cy="9.50974" fill-opacity=".355175" rx="2.5" ry="1.49026"/><g transform="matrix(.70710678 .70710678 -.70710678 .70710678 11.449748 -6.763456)"><path d="m7.5 10.5v2.5l.5 1 .5-1v-2.5z" fill="#cfcfcf"/><path d="m7 10.5h.5v2.5l.5 1 .5-1v-2.5h.5v2.5l-1 2-1-2z" fill="#727272"/><ellipse cx="8" cy="9.5" fill="url(#e)" rx="3" ry="1.5"/><path d="m6 9 .5-4h3l.5 4c0 .5-1 1-2 1s-2-.5-2-1z" fill="url(#c)"/><ellipse cx="8" cy="5" fill="url(#d)" rx="2" ry="1"/><g fill="#d23d3d"><path d="m6 5s.5.5 2 .5 2-.5 2-.5c0 1-2 1-2 1s-2 0-2-1z"/><path d="m5 9.5s.5 1 3 1 3-1 3-1c0 1.5-3 1.5-3 1.5s-3 0-3-1.5z"/></g></g></g></svg>