Simple opinionated tool to setup a Perl distribution directory.

Changes for 0.03

• Cleaner new lines in generated files.
• Generate a barebone Changes file if not already present.
• Use the Lancaster consensus environment variable in GitHub CI and tests.
• Add a test for the syntax of the POD file.
• Add support for spell-checking the files (and testing it).
• Add perlcritic and (partial) perltidy supports.