Updated material icons version (#54)

Co-authored-by: root <1515939+styiannis@users.noreply.github.com>

static/lib/material-icons/material-icons.css

@@ -1,10 +1,8 @@
-/*@import url('https://fonts.googleapis.com/icon?family=Material+Icons');*/
-
 @font-face {
     font-family: 'Material Icons';
     font-style: normal;
     font-weight: 400;
-    src: url('../../lib/material-icons/v50/icons.woff2') format('woff2');
+    src: url('../../lib/material-icons/v77/icons.woff2') format('woff2');
     font-display: swap;
 }