refactor: better font

Author: aorumbayev

src/pages/_document.page.tsx

@@ -38,7 +38,7 @@ export default class MyDocument extends Document {
           <link rel="shortcut icon" href="/static/favicon.ico" />
           <link
             rel="stylesheet"
-            href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap"
+            href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@700;800&display=swap"
           />
           {/* Inject MUI styles first to match with the prepend: true configuration. */}
           {(this.props as any).emotionStyleTags}

src/redux/theme/darkTheme.ts

@@ -20,7 +20,7 @@ import { createTheme } from '@mui/material/styles';
 
 const darkTheme = createTheme({
   typography: {
-    fontFamily: `Helvetica Neue`,
+    fontFamily: `"JetBrains Mono", monospace`,
   },
   palette: {
     mode: `dark`,