gui, man: Update docs & translations

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

@@ -65,6 +65,7 @@
     "Device ID": "デバイスID",
     "Device Identification": "デバイスID",
     "Device Name": "デバイス名",
+    "Device rate limits": "Device rate limits",
     "Device that last modified the item": "Device that last modified the item",
     "Devices": "デバイス",
     "Disabled": "無効",
@@ -251,6 +252,7 @@
     "Share With Devices": "共有するデバイス",
     "Share this folder?": "このフォルダーを共有しますか？",
     "Shared With": "共有中のデバイス",
+    "Sharing": "Sharing",
     "Show ID": "IDを表示",
     "Show QR": "QRコードを表示",
     "Show diff with previous version": "前バージョンとの差分を表示",