maintainers.json: show bio for Frida Tveit

config/maintainers.json

     },
     {
       "alumnus": false,
-      "avatar_url": null,
-      "bio": null,
+      "bio": "I'm a software developer working for Softwire, a UK based software company. I love programming in pretty much any language (possibly with the exception of C++) but Java is probably the language I have the most experience with.",
       "github_username": "FridaTveit",
-      "link_text": null,
-      "link_url": null,
-      "name": null,
-      "show_on_website": false
+      "name": "Frida Johanne Tveit",
+      "show_on_website": true
     }
   ]
-}
+}