feat(extlib): features for integration with Manifold (!357) · Merge requests · crossref / REST API · GitLab

Joe Wass requested to merge feature/interop into main Nov 22, 2022

adjust version number to SNAPSHOT because it's replaced in the build
add a 'boot' to extlib so it can configure identifier types using the new https://doi.org DOI prefix
add 'itemToEsDoc' and 'parseXmlCentred' to convert item tree back into citeproc-json