Import translation work from https://crowdin.com/project/ublock

Related issue:
https://github.com/uBlockOrigin/uBOL-home/issues/336

platform/mv3/chromium/manifest.json

@@ -29,6 +29,7 @@
   "host_permissions": [
     "<all_urls>"
   ],
+  "incognito": "split",
   "icons": {
     "16": "img/icon_16.png",
     "32": "img/icon_32.png",

platform/mv3/extension/_locales/ar/messages.json

@@ -264,15 +264,15 @@
     "description": "Short description for a checkbox in the options page"
   },
   "settingsBackupRestoreLabel": {
-    "message": "Backup",
+    "message": "النسخ الاحتياطي",
     "description": "The header text for the back up/restore section"
   },
   "settingsBackupRestoreSummary": {
-    "message": "Back up your custom settings to a file, or restore your custom settings from a file.",
+    "message": "قم بنسخ الإعدادات المخصصة احتياطيًا إلى ملف، أو استعادة الإعدادات المخصصة من ملف.",
     "description": "A summary description of the back up/restore section."
   },
   "settingsBackupRestoreLegend": {
-    "message": "Restoring will overwrite all your current custom settings.",
+    "message": "ستؤدي عملية الاستعادة إلى استبدال جميع إعداداتك المخصصة الحالية.",
     "description": "Important information about the back up/restore section."
   },
   "findListsPlaceholder": {
@@ -376,11 +376,11 @@
     "description": "Text for buttons used to export content"
   },
   "backupButton": {
-    "message": "Back up…",
+    "message": "نسخ احتياطي…",
     "description": "Text for buttons used to back up content"
   },
   "restoreButton": {
-    "message": "Restore…",
+    "message": "استعادة…",
     "description": "Text for buttons used to restore content"
   },
   "dnrRulesWarning": {

platform/mv3/extension/_locales/sq/messages.json

@@ -264,15 +264,15 @@
     "description": "Short description for a checkbox in the options page"
   },
   "settingsBackupRestoreLabel": {
-    "message": "Rezervoj",
+    "message": "Kopja rezervë",
     "description": "The header text for the back up/restore section"
   },
   "settingsBackupRestoreSummary": {
-    "message": "Krijoni kopje rezervë të parametrave të personalizuara në një skedar ose restauroni parametrat e personalizuara nga një skedar.",
+    "message": "Mbani një kopje rezervë të parametrave që keni personalizuar ose riktheni parametrat e mëparshëm.",
     "description": "A summary description of the back up/restore section."
   },
   "settingsBackupRestoreLegend": {
-    "message": "Restaurimi do të mbishkruajë të gjitha parametrat tuaja aktuale të personalizuara.",
+    "message": "Rikthimi do të fshijë gjithë parametrat që keni personalizuar.",
     "description": "Important information about the back up/restore section."
   },
   "findListsPlaceholder": {
@@ -380,7 +380,7 @@
     "description": "Text for buttons used to back up content"
   },
   "restoreButton": {
-    "message": "Rivendos…",
+    "message": "Rikthej…",
     "description": "Text for buttons used to restore content"
   },
   "dnrRulesWarning": {