#18903 Write about how to convert polyrepos to a monorepo Issue created by cczona This could be a blog post or a tutorial; broad guidance about issues to consider or a detailed how-to. Many newcomers to Pants start with polyrepos and are wondering how to tackle this as part of adoption, so giving them any starter info at all would be beneficial. This is a good first issue since it does not require detailed understanding of Pants pantsbuild/pants