Add support for IBM Plex typeface

Note: Added support for IBM Plex through the Google Font API.

frontend/public/index.html

@@ -10,6 +10,12 @@
       content="A central dock for EdTech services"
     />
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/scientia-logo-black.svg" />
+    <link 
+      rel="stylesheet"
+      href="https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght
+            @0,100;0,200;0,300;0,400;0,500;0,600;0,700;1,100;1,200;1,300;1,400
+            ;1,500;1,600;1,700&display=swap" 
+    />
     <!--
       manifest.json provides metadata used when your web app is installed on a
       user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/