publisher complains if no master_middleman_dir is provided
Avoids ASCII-8BIT / UTF-8 encoding conflicts by writing tarballs as binary.
Scrapes code snippets from specified example repos [#63429036]

- yield_for_code_snippet from: 'org/repo', at: 'unique_meaningful_marker' is available for use in *.html.md.erb files.
Bump version to 0.0.14

- For including code snippets