Url conversion multiple

[yui10]

Added the ability to process each line in URL encoding/decoding

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• New feature or enhancement
• UI change (please include screenshot!)
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
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What is the current behavior?

Issue Number: DevToys-app/DevToys#974

What is the new behavior?

• Implemented the ability to process each line separately in URL encoding/decoding.
• Corresponding test case modifications

Other information

Quality check

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