refactor: use de gruyter ci

frontend/static/degruyter-icons/Simple/Small-16px/SVG/Action/Bookmarks-SM.svg

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="16px" height="16px" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>🧩 Icons/Simple/Action/16px/Bookmarks-SM</title>
+    <g id="🧩-Icons/Simple/Action/16px/Bookmarks-SM" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <path d="M8.00056981,1.83169993 L8.02220305,1.82032587 C10.39051,0.64219829 13.175818,0.733064513 15.4798003,2.09292454 L15.7421663,2.25463276 L16,2.42749328 L16,15 C13.7872785,13.4544747 11.0305419,13.163937 8.61328555,14.1283869 C8.53173015,14.1609272 8.45062863,14.1948665 8.36994676,14.230232 L8.61328555,14.1283869 C8.51232136,14.1686701 8.41194941,14.2111428 8.31223409,14.2558048 L8.31204137,14.2558912 L8.00052122,14.4036596 L8.00052122,14.4036596 L7.69094923,14.2567575 C7.66896404,14.2469022 7.64694686,14.2371533 7.62489838,14.2275108 C7.5431644,14.1921384 7.46096018,14.1578583 7.37835415,14.125028 L7.62489838,14.2275108 C7.5145135,14.1792362 7.40334402,14.1336294 7.2914766,14.0906904 L7.37835415,14.125028 C7.27157372,14.08259 7.16412188,14.0425745 7.0560843,14.0050033 L7.2914766,14.0906904 C4.99080361,13.2076046 2.39493171,13.4529215 0.257833748,14.8271395 L0,15 L0,2.42749328 C2.40248174,0.749425618 5.44628777,0.550827834 8.00056981,1.83169993 Z M9.29375091,3.52687883 L9,3.6554081 L9,11.8055356 L9.26619585,11.7383511 C10.75353,11.3857468 12.2990262,11.3903198 13.7830804,11.7503548 L14,11.8065833 L14,3.6554081 L13.7620649,3.54968244 C12.327973,2.95090235 10.7290306,2.94483596 9.29375091,3.52687883 Z M2.29375091,3.52687883 L2,3.6554081 L2,11.8055356 L2.26619585,11.7383511 C3.75353,11.3857468 5.29902619,11.3903198 6.78308043,11.7503548 L6.999,11.806 L7,3.6554081 L6.76206493,3.54968244 C5.32797297,2.95090235 3.72903057,2.94483596 2.29375091,3.52687883 Z" id="Primary" fill="#000000"></path>
+    </g>
+</svg>