Ascii output of unicode block.

Changes for 0.04 - 2023-11-26T15:07:50+01:00

• Improve LICENSE AND COPYRIGHT section in doc.
• Improve SYNOPSIS section in doc.
• Rename example files to better names.
• Rewrite doc to use of =head2.
• Update Module::Install to 1.21 version.
• Update author github username.
• Update copyright years.