v0.1.0

Initial release with bash-completion and API commands. Supports configuration
using CLI flags, environment variables, or YAML/JSON files.

• Initial project boilerplate (docs, license, contributing, etc)
• Bash completion is via the bash-completion command

Added the following commands that interact with the Signal Sciences API:

• get-corp
• list-agents
• list-corps
• list-suspicious-ips
• list-top-attacks