move icons to img tags instead of inlined

data/static/icons/bookmark.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" gradientUnits="userSpaceOnUse" x1="8" x2="8" y1="2" y2="14"><stop offset="0" stop-color="#cdcdcd"/><stop offset=".5" stop-color="#e6e6e6"/><stop offset="1" stop-color="#cdcdcd"/></linearGradient><g><path d="m3 1h10c.554 0 1 .446 1 1v9.5l-3.5 3.5h-7.5c-.554 0-1-.446-1-1v-12c0-.554.446-1 1-1z" fill="#515151" stroke-linecap="round" stroke-linejoin="round"/><path d="m3.5 2h9c.277 0 .5.223.5.5v8.5l-3 3h-6.5c-.277 0-.5-.223-.5-.5v-11c0-.277.223-.5.5-.5z" fill="url(#a)" stroke-linecap="round" stroke-linejoin="round"/><path d="m4 1v7.0000002l1-1.0000002 1 1.0000002v-7.0000002z" fill="#ff522f"/><path d="m10 13.5 2.5-2.5h-3c1 1 .5 2.5.5 2.5z" fill="#515151"/></g></svg>