Modified the ReadMe and Error message for custom remote option. Closed issue #1040

[mithunputhusseri]

The ReadMe and Error message was not intuitive in custom option in remote storage.

[Slach]

thanks for contributing

[coveralls]

Pull Request Test Coverage Report for Build 11702312697

Details

• 0 of 1 (0.0%) changed or added relevant line in 1 file are covered.
• 253 unchanged lines in 11 files lost coverage.
• Overall coverage decreased (-1.8%) to 65.922%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/backup/upload.go	0	1	0.0%

Files with Coverage Reduction	New Missed Lines	%
pkg/backup/restore.go	1	67.67%
pkg/utils/utils.go	2	63.83%
cmd/clickhouse-backup/main.go	2	79.69%
pkg/storage/object_disk/object_disk.go	5	69.14%
pkg/config/config.go	8	73.37%
pkg/status/status.go	9	70.2%
pkg/storage/general.go	10	60.82%
pkg/backup/backuper.go	17	70.92%
pkg/server/server.go	18	58.67%
pkg/storage/s3.go	25	44.19%

Totals
Change from base Build 11662563984:	-1.8%
Covered Lines:	9088
Relevant Lines:	13786

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💛 - Coveralls