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[prajith-ta]

Please add a preview file for sprites like gulp-svg-sprites.

[Andrey Kuzmin]

Thanks for the suggestion. I think generating previews from a bunch of svgs should be its own gulp plugin!

According to https://github.com/gulpjs/gulp/blob/master/docs/writing-a-plugin/guidelines.md

Your plugin should only do one thing, and do it well.
Avoid config options that make your plugin do completely different tasks