feat: Translate frontend/src/i18n/en.json in no

96% of minimum 50% translated source file: 'frontend/src/i18n/en.json'
on 'no'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

frontend/src/i18n/no.json

@@ -249,8 +249,8 @@
     "newFile": "Ny fil",
     "newFolder": "Ny mappe",
     "preview": "Forhåndsvis",
-    "settings": "Settings",
-    "signup": "Signup",
+    "settings": "Innstillinger",
+    "signup": "Registrer deg",
     "siteSettings": "Site Settings"
   },
   "success": {