refactor: use de gruyter ci

frontend/static/degruyter-icons/Simple/Large-32px/SVG/Action/Microphone-LG.svg

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="32px" height="32px" viewBox="0 0 32 32" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <title>🧩 Icons/Simple/Action/32px/Microphone-LG</title>
+    <g id="🧩-Icons/Simple/Action/32px/Microphone-LG" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <path d="M16,2 C18.209139,2 20,3.790861 20,6 L20,10 L26,10 L26,12 L24,12 L24,16 C24,20.0792885 20.9468043,23.445465 17.0009551,23.9379871 L17,28 L20,28 L20,30 L12,30 L12,28 L15,28 L15.0000487,23.9381123 C11.0537136,23.4460359 8,20.0796344 8,16 L8,12 L6,12 L6,10 L12,10 L12,6 C12,3.790861 13.790861,2 16,2 Z M20,16 C20,18.209139 18.209139,20 16,20 C13.790861,20 12,18.209139 12,16 L12,12 L10,12 L10,16 C10,19.2383969 12.5655749,21.8775718 15.7750617,21.9958615 L16,22 C19.2383969,22 21.8775718,19.4344251 21.9958615,16.2249383 L22,16 L22,12 L20,12 L20,16 Z M14,16 C14,17.1045695 14.8954305,18 16,18 C17.0543618,18 17.9181651,17.1841222 17.9945143,16.1492623 L18,16 L18,6 C18,4.8954305 17.1045695,4 16,4 C14.9456382,4 14.0818349,4.81587779 14.0054857,5.85073766 L14,6 L14,16 Z" id="Primary" fill="#000000"></path>
+    </g>
+</svg>