Push IDTxl code to popular repositories for easier installation

[oleg-kachan]

It would be nice to have IDTxl installable using tools like pip and/or conda

• pip
• conda

[pwollstadt]

Duplicate of #29

It's on our list

[chris-jackson7]

The below works on google colab for reference

!git clone https://github.com/pwollstadt/IDTxl.git
%cd IDTxl
!pip install -e .
%cd ..

!pip install JPype1 # Restart Runtime