Add copy button for deep links

[manjees]

Description

• Add a copy-to-clipboard button next to each deep link in the Manifest Analyzer results.

Current Behavior

• Users need to manually select and copy deep link URLs.

Expected Behavior

• One-click copy button that copies the full deep link URI to clipboard.

Implementation Hints

• Add copy icon button in ManifestAnalyzerScreen.kt
• Use java.awt.Toolkit for clipboard access
• Show brief "Copied!" feedback