Image proxying could be simplified with new BlueMonday update #16
Description
https://pkg.go.dev/github.com/microcosm-cc/bluemonday#Policy.RewriteSrc should be simpler than the current findImagesAndCacheThem function.
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https://pkg.go.dev/github.com/microcosm-cc/bluemonday#Policy.RewriteSrc should be simpler than the current findImagesAndCacheThem function.