Merge pull request #19 from digipres/anjackson-patch-2

Update README.md to replace broken link

README.md

@@ -195,7 +195,7 @@ To improve our digital preservation tools, we need to be able to test them and e
 - The [disktype test files](http://disktype.cvs.sourceforge.net/viewvc/disktype/file-system-sampler/)
 - The [Metadata Working Group specifications (_archived version_)](https://web.archive.org/web/20180402195758/http://www.metadataworkinggroup.org/specs/) and [embedded image metadata test corpus (_archived version_)](https://web.archive.org/web/20180402200035/http://www.metadataworkinggroup.org/specs/test_files.html)
 - [Apache Tika issue about setting up a nightly test corpus](https://issues.apache.org/jira/browse/TIKA-1302) - See also [tika-parsers/src/test/resources/test-documents](http://svn.apache.org/repos/asf/tika/trunk/tika-parsers/src/test/resources/test-documents/)
-- [The Chemical MIME Home Page](http://www.ch.ic.ac.uk/chemime/)
+- [The Chemical MIME Home Page](https://web.archive.org/web/20220321053449/https://www.ch.ic.ac.uk/chemime/)
 - [Online-convert.com example files](http://www.online-convert.com/file-type) (use [this link to browse the folder structure](https://example-files.online-convert.com/))
 - [RDSS Archivematica Test Data Corpus](https://github.com/artefactual-labs/rdss-archivematica-test-data-corpus) - A collection of research dataset files used for testing Archivematica integration and functionality in the JISC Research Data Shared Service (RDSS).
 - [Archivematica Sample Data](https://github.com/artefactual/archivematica-sampledata) - Includes OPF format corpus, as well as other test material.