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

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

@@ -283,6 +283,8 @@
     "Preview Usage Report": "使用状況レポートのプレビュー",
     "QR code": "QRコード",
     "QUIC": "QUIC",
+    "QUIC LAN": "QUIC LAN",
+    "QUIC WAN": "QUIC WAN",
     "QUIC connections are in most cases considered suboptimal": "QUIC connections are in most cases considered suboptimal",
     "Quick guide to supported patterns": "サポートされているパターンのクイックガイド",
     "Random": "ランダム",
@@ -292,6 +294,8 @@
     "Recent Changes": "最近の変更点",
     "Reduced by ignore patterns": "無視パターン該当分を除く",
     "Relay": "Relay",
+    "Relay LAN": "Relay LAN",
+    "Relay WAN": "Relay WAN",
     "Release Notes": "リリースノート",
     "Release candidates contain the latest features and fixes. They are similar to the traditional bi-weekly Syncthing releases.": "リリース候補版には最新の機能と修正が含まれます。これは従来の隔週リリースに近いものです。",
     "Remote Devices": "接続先デバイス",