refactor: use de gruyter ci

frontend/static/degruyter-icons/Simple/Small-16px/SVG/Access/Open-Access-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/Access/16px/Open-Access-SM</title>
+    <g id="🧩-Icons/Simple/Access/16px/Open-Access-SM" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <path d="M8,0 C10.2852269,0 12.1381016,1.84355579 12.2451174,4.14493094 L12.25,4.35536952 L12.2512587,8.36681523 C12.7259182,9.13152559 13,10.0337552 13,11 C13,13.7614237 10.7614237,16 8,16 C5.23857625,16 3,13.7614237 3,11 C3,8.23857625 5.23857625,6 8,6 C8.80945243,6 9.5739795,6.19234834 10.2503673,6.53383112 L10.25,4.35536952 C10.25,3.04752087 9.2353747,2 8,2 C6.81609925,2 5.83493535,2.96204607 5.75522708,4.19330125 L5.75,4.35536952 L5.75,4.92835835 L3.75,4.92835835 L3.75,4.35536952 C3.75,1.95697934 5.64552382,0 8,0 Z M8,8 C6.34314575,8 5,9.34314575 5,11 C5,12.6568542 6.34314575,14 8,14 C9.65685425,14 11,12.6568542 11,11 C11,9.34314575 9.65685425,8 8,8 Z M8,9.75 C8.69035594,9.75 9.25,10.3096441 9.25,11 C9.25,11.6903559 8.69035594,12.25 8,12.25 C7.30964406,12.25 6.75,11.6903559 6.75,11 C6.75,10.3096441 7.30964406,9.75 8,9.75 Z" id="Primary" fill="#000000"></path>
+    </g>
+</svg>