Summarized Changelog:

• Change default widths
• Remove support for Alfred, --save, --no-preview, navi query, and navi best
• Fail on bad colors
• Add navi fn map::expand
• Allow tag filtering
• Allow configuration of shell used for shell out
• Add support for config files
• Fix navi fn url::open
• Remove unnecessary uses of vector of files
• Use anyhow::Result
• Simplify regex dependency
• Improve documentation

• Downloaad/manage multiple cheatsheet repos
• Use cheatsheets for git and eopkg
• Run commands via cheatsheets (git init, git add, eopkg up, etc)