Jgwill-odaia

- Added status indicator in Tray - feature [12](https://github.com/szczyglis-dev/py-gpt/issues/12)
- Added icons to tabs, tray and context menus
- Added "Files and attachments" section in Settings

- Added Material Design SVG icons (by Google)
- Added icon resources compiler script
- Improved file explorer

- Added improvements to RMB context menu handling in Files
- Improved generation of names for duplicated files

- Added ability to auto-store (in the `%workdir%/upload` directory) local copies of attachments uploaded from outside the workdir.
- Added an option in the general settings dialog: `Store attachments in the workdir upload directory`, default: True
- Added an option for storing everything in the `data` directory: `Store images, capture and uploads in data directory`, default: False

- New features in file explorer (`Files` tab):

- Create empty file
- Create directory
- Upload files to selected directory
- Download file or directory
- Duplicate file or directory
- Use as attachment
- Ask for read this file
- Copy working/system path to input and clipboard

- Fixed chars encoding in save text to file option