Add manual installation steps for non windows users about gametts HOT 2 OPEN

On my Ubuntu 20.04 LTS I need to install tk via sudo apt-get install python3-tk. Without or via pip, the program can not found the module "tkinter". But if I start the main.py after tk-installation, it come no errors, but no GUI too.
Here the output of the terminal: https://pastebin.com/aVU8cFxS

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python3.8 -m venv venv
source venv/bin/activate
pip install -r requirements.txt       
python main.py 

within GameTTS subfolder works for me

Using these steps, i get the following error on MacOS. any idea how to solve this? thank you!

eel.call_torch_modal()  # call javascript modal if torch not available
AttributeError: module 'eel' has no attribute 'call_torch_modal'```

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