v0.1.1

Added

• Configuration file support at ~/.config/thumbpick/config.toml
• Configurable keybindings
• Shell expansion in config paths (supports ~ and environment variables)
• Environment variable configuration via THUMBPICK_* prefix
• Support for macos / windows (untested since I don't own any devices with macos/windows)

Changed

• Refactored code into cleaner module structure
• Faster image finding