* feat: directory-scoped cheatpaths
`cheat` now searches for a `.cheat` directory in the current working
directory. If found, that directory is (temporarily) appended to the slice
of cheatpaths.
* makefile wip
* fix: appeases linter
Appeases linter (`go vet`) by adding quotation marks to YAML struct
tags.
* chore: modifies .gitignore
Adds `tag` to `.gitignore`
* feat: adds Makefile
Adds a `Makefile` for managing build-related tasks.
* chore: documents directory-local paths
Adds documentation regarding the new directory-local cheatpath
functionality.
* chore: updates dependencies
* chore: bumps version to 3.3.0
* chore: updates bin scripts
- Removes `build_release.sh`
- Places deprecation notice in `build_devel.sh`, as its purpose has been
superceded by the `Makefile`.
