Build scripts now invoke `go mod vendor` and `go mod tidy` early in the
build process, to ensure that the `vendor` directory stays consistent
with the `go.mod` et. al.
- Deprecates `bin/deps.sh`. It was rendered obsolete with 217566, and
the introduction of a `go.mod` file.
- Fixes two minor typos in the buld scripts.
- Bumps the version to `3.0.1`.
- Re-implemented the project in Golang, and deprecated Python entirely
- Implemented several new, long-requested features
- Refactored cheatsheets into a separate repository
