Backup: Lots of fixes, refactoring and documentation · cozy/cozy-flagship-app@0dd6468

'UploadError' is defined but never used

Replace `·BackupError,·isFatalError,·isUploadError·` with `⏎··BackupError,⏎··isFatalError,⏎··isUploadError⏎`

Process completed with exit code 1.

There should be at least one empty line between import groups

There should be no empty line within import group

There should be at least one empty line between import groups

`cozy-minilog` import should occur after type import of `cozy-client`

There should be at least one empty line between import groups

There should be at least one empty line between import groups

There should be at least one empty line between import groups

`lodash/uniqueId` import should occur before import of `cozy-minilog`

There should be at least one empty line between import groups

There should be no empty line within import group

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