[Enhancement] Create CLI Tool for CSS Scanning

[yasmramos]

Description

Build a CLI tool that scans Java/FXML files and reports unused CSS utilities.

Task

• Create Maven module for CLI tool
• Implement file scanner for .java and .fxml files
• Parse TailwindFX.apply() calls and extract utility classes
• Compare against available utilities in tailwindfx.css
• Generate JSON/HTML report of unused utilities
• Add --watch mode for continuous scanning

Expected Usage

java -jar tailwindfx-cli.jar scan --input src/ --output report.json
java -jar tailwindfx-cli.jar scan --input src/ --format html --output report.html
java -jar tailwindfx-cli.jar scan --input src/ --watch

Files to create

• cli/src/main/java/io/github/tailwindfx/cli/
• cli/pom.xml

Resources

• Picocli CLI Framework