Bump package version to 2.0.0

Disable overly-formatted exceptions

Raise minimum Python version, remove `tomli` dependency, fix new lints

Clarify `compile_commands.json` move/copy behavior

Clean up shell/subprocess calls

Add Ruff config, fix lints

Move from `docopt` to `typer` for CLI

Migrate to UV for project/dependency management

Move `compile_commands.json` instead of copying

Bump copyright years

Migrate to `setuptools` for installation, newer `python-benedict`

Update dependencies, bump version number

Change default build directory to `ebuild`

Add layered configuration support (#8)

Use benedict for better settings parsing/handling (#6)