add missing translation keys

main/ui/src/main/resources/i18n/strings.properties

@@ -116,6 +116,8 @@ migration.error.missingFileSystemCapabilities.title=Unsupported File System
 migration.error.missingFileSystemCapabilities.description=Migration was not started, because your vault is located on an inadequate file system.
 migration.error.missingFileSystemCapabilities.reason.LONG_FILENAMES=The file system does not support long file names.
 migration.error.missingFileSystemCapabilities.reason.LONG_PATHS=The file system does not support long paths.
+migration.error.missingFileSystemCapabilities.reason.READ_ACCESS=The file system does not allow to be read.
+migration.error.missingFileSystemCapabilities.reason.WRITE_ACCESS=The file system does not allow to be written to.
 
 # Preferences
 preferences.title=Preferences