chore(gui, man, authors): update docs, translations, and contributors

gui/default/assets/lang/lang-zh-CN.json

@@ -99,6 +99,7 @@
     "Device": "设备",
     "Device \"{%name%}\" ({%device%} at {%address%}) wants to connect. Add new device?": "设备“{{name}}”（{{address}} 处的 {{device}}）想要连接。添加新设备？",
     "Device Certificate": "设备证书",
+    "Device Group": "设备组",
     "Device ID": "设备 ID",
     "Device Identification": "设备标识",
     "Device Name": "设备名",
@@ -169,6 +170,7 @@
     "Filter by date": "按日期筛选",
     "Filter by name": "按名称筛选",
     "Folder": "文件夹",
+    "Folder Group": "文件夹组",
     "Folder ID": "文件夹 ID",
     "Folder Label": "文件夹标签",
     "Folder Path": "文件夹路径",
@@ -279,6 +281,8 @@
     "Off": "关闭",
     "Oldest First": "最旧优先",
     "Optional descriptive label for the folder. Can be different on each device.": "文件夹的可选描述性标签。每个设备上可能不同。",
+    "Optional group for the device. Can be different on each device.": "设备的可选分组。各设备可设置不同分组。",
+    "Optional group for the folder. Can be different on each device.": "文件夹的可选分组。各设备可设置不同分组。",
     "Options": "选项",
     "Out of Sync": "未同步",
     "Out of Sync Items": "未同步的项目",