Poottu v1.0.1

Closes #1 - Implemented Unicode normalization (NFC) for master password encoding.

Poottu v1.0.0

First stable release! 🎉

• Secure offline password vault
• Modern Qt/PySide6 GUI
• Group, search, add, edit, delete entries
• Context menu: copy fields with timed clipboard clearing and HUD
• Encrypted backup & restore
• Password generator in Add Entry
• Cross-platform: Windows, macOS, Linux
• Keyboard shortcuts for common actions
• MIT licensed, no telemetry