Edited online
Start adding instructions for Perlmutter
Move workflow link from Redmine to GitHub
Update CUBA build instructions, and final setup
Partial update; build of CUBA still needs to be fixed.
adding matplotlib pip installation
Set up virtual environment before doing "make" for cosmosis
Installing additional python packages required by colossi
Adding python environment instruction, and how to install clustertoolkit in it.
Complete the instructions for spack/CVMFS use
Fix debugger launch command to include lldb
Add instructions for using debugger
code format in h2 sections are ugly, remove them
Update for building y3_cluster_cpp outside of CosmnSIS directory tree