(GH-2224) Add upgrade instructions for Cake 2.0 (#2265)
(GH-2224) Add upgrade instructions for Cake 2.0 (#2265)

Co-authored-by: Gary Ewan Park <74c107f4bb2008313d455847bfd1facf1623a81d@gep13.co.uk>
cake-build/website,cake-build/website,cake-build/website