v0.8.0

What's New

 - Extracted script logic to standalone `tight-square.sh`
 - Enhanced error handling and validation
 - Improved documentation and usage examples
 
 ## Installation
 1. Download the `.alfredworkflow` file
 2. Double-click to install in Alfred
 3. Ensure ImageMagick is installed (`brew install imagemagick`)
 
 ## Requirements
 - Alfred 4+ with Powerpack
 - ImageMagick
 
 ## Usage
 - Right-click on an image file in Finder
 - Select "Services" → "Make Tight"
 - Choose "Crop Whitespace" or "Crop Whitespace + Square"