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

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

@@ -66,6 +66,7 @@
    "Deleted": "Deleted",
    "Deselect All": "Deselect All",
    "Deselect devices to stop sharing this folder with.": "Deselect devices to stop sharing this folder with.",
+   "Deselect folders to stop sharing with this device.": "Deselect folders to stop sharing with this device.",
    "Device": "Device",
    "Device \"{%name%}\" ({%device%} at {%address%}) wants to connect. Add new device?": "Device \"{{name}}\" ({{device}} at {{address}}) wants to connect. Add new device?",
    "Device ID": "Device ID",
@@ -336,6 +337,7 @@
    "The rate limit must be a non-negative number (0: no limit)": "The rate limit must be a non-negative number (0: no limit)",
    "The rescan interval must be a non-negative number of seconds.": "The rescan interval must be a non-negative number of seconds.",
    "There are no devices to share this folder with.": "There are no devices to share this folder with.",
+   "There are no folders to share with this device.": "There are no folders to share with this device.",
    "They are retried automatically and will be synced when the error is resolved.": "They are retried automatically and will be synced when the error is resolved.",
    "This Device": "This Device",
    "This can easily give hackers access to read and change any files on your computer.": "This can easily give hackers access to read and change any files on your computer.",