gui, man, authors: Update docs, translations, and contributors

gui/default/assets/lang/lang-nl.json

@@ -304,7 +304,6 @@
     "QR code": "QR-code",
     "QUIC LAN": "QUIC LAN",
     "QUIC WAN": "QUIC WAN",
-    "QUIC connections are in most cases considered suboptimal": "QUIC-verbindingen worden in de meeste gevallen als suboptimaal beschouwd",
     "Quick guide to supported patterns": "Snelgids voor ondersteunde patronen",
     "Random": "Willekeurig",
     "Receive Encrypted": "Versleuteld ontvangen",
@@ -546,6 +545,7 @@
             "light": "Licht"
         }
     },
+    "unknown device": "onbekend apparaat",
     "{%device%} wants to share folder \"{%folder%}\".": "{{device}} wil map \"{{folder}}\" delen.",
     "{%device%} wants to share folder \"{%folderlabel%}\" ({%folder%}).": "{{device}} wil map \"{{folderlabel}}\" ({{folder}}) delen.",
     "{%reintroducer%} might reintroduce this device.": "{{reintroducer}} kan dit apparaat mogelijk opnieuw introduceren."