- Removed `<Folder>` elements in `DocumentOperator.Domain.csproj`
and replaced them with `<Compile Remove>`, `<EmbeddedResource Remove>`,
and `<None Remove>` to exclude specific directories.
- Removed unused `using DocumentOperator.Domain.Exceptions;` directive.
- Simplified `Split` method syntax for delimiter specification.
- Updated `return` statements to use concise parameter syntax.
- Removed page number validation logic in `DevExpressSwissQrCodeProcessor`.
- Replaced default page scanning logic with modern range expression.
- Overall, improved code clarity, reduced redundancy, and modernized syntax.