refactor: migrate to material symbols icon set

src/theme/material-symbols.scss

@@ -0,0 +1,40 @@
+/*!
+ * Copyright (C) 2022 StApps
+ *  This program is free software: you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+@font-face {
+  font-family: "Material Symbols Rounded";
+  font-style: normal;
+  font-weight: 100 700;
+  font-display: block;
+  src: url('../assets/icons.min.woff2') format('woff2');
+}
+
+.material-symbols-rounded {
+  //noinspection CssNoGenericFontName
+  font-family: 'Material Symbols Rounded';
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;
+  line-height: 1;
+  letter-spacing: normal;
+  text-transform: none;
+  display: inline-block;
+  white-space: nowrap;
+  word-wrap: normal;
+  direction: ltr;
+  -webkit-font-smoothing: antialiased; // Support for all WebKit browsers
+  -moz-osx-font-smoothing: grayscale; // Support for Firefox
+  text-rendering: optimizeLegibility; // Support for Safari and Chrome
+  font-feature-settings: 'liga'; // Support for IE
+}