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

53% 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

@@ -138,7 +138,7 @@
     "size": "Størrelse",
     "upload": "Last opp",
     "uploadFiles": "Laster opp {filer} filer...",
-    "uploadMessage": "Select an option to upload.",
+    "uploadMessage": "Velg et alternativ for opplasting.",
     "optionalPassword": "Optional password",
     "resolution": "Resolution",
     "discardEditorChanges": "Are you sure you wish to discard the changes you've made?"