fix: add missing translation for Get Involved section

Author: raclim

translations/locales/en-US/translations.json

@@ -104,6 +104,7 @@
     "DiscordCTA": "Join the Discord",
     "Youtube": "Youtube",
     "Github": "Github",
+    "GetInvolved": "Get Involved",
     "WebEditor": "Web Editor",
     "Resources": "Resources",
     "Reference": "Reference",