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

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

@@ -128,6 +128,7 @@
     "Error": "Virhe",
     "External File Versioning": "Ulkoinen tiedostoversionti",
     "Failed Items": "Epäonnistuneet kohteet",
+    "Failed to load file versions.": "Failed to load file versions.",
     "Failed to load ignore patterns.": "Failed to load ignore patterns.",
     "Failed to setup, retrying": "Käyttöönotto epäonnistui. Yritetään uudelleen.",
     "Failure to connect to IPv6 servers is expected if there is no IPv6 connectivity.": "Yhteys IPv6-palvelimiin todennäköisesti epäonnistuu, koska IPv6-yhteyksiä ei ole.",
@@ -373,6 +374,7 @@
     "The rate limit must be a non-negative number (0: no limit)": "Nopeusrajan tulee olla positiivinen luku tai nolla. (0: ei rajaa)",
     "The rescan interval must be a non-negative number of seconds.": "Uudelleenskannauksen aikavälin tulee olla ei-negatiivinen numero sekunteja.",
     "There are no devices to share this folder with.": "There are no devices to share this folder with.",
+    "There are no file versions to restore.": "There are no file versions to restore.",
     "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.": "Niiden synkronointia yritetään uudelleen automaattisesti.",
     "This Device": "Tämä laite",