Ollama-gui

1. Code optimization.
2. Add help for shortcut keys.

🗂️ Model Management: Download and Delete Models
🎨 UI Enhancement: Bubble dialog theme
📝 Editable Conversation History

🚀 New Features

- 📈 Progress bar to visualize the generation progress.
- ⏹️ Dedicated stop button to allow users to halt the generation process at any time.
- 📋 Menu bar with options and settings.
- 📜 Right-click menu providing quick access to frequently used functions.
- ⚠️ Warning message to inform users about known issues or limitations on macOS platforms.

- Optimize the logic of some scenarios
- Update the error message appearance

- Restoring the styles can help fix the issues caused by the Aqua theme on macOS

- Fix the issue of child threads exiting
- Optimize UI