Merge branch 'update_phase_diagram' into 'main'

phase_diagram/LiAl_poscar

phase_diagram/exercise_2.ipynb

phase_diagram/exercise_3.ipynb

phase_diagram/export.csv

phase_diagram/helpers.py

phase_diagram/img/Picture1.png

phase_diagram/img/Picture2.png

phase_diagram/img/alli_phase_diagram.jpg

phase_diagram/img/calphy_logo.png

phase_diagram/img/cimg1.png

phase_diagram/img/cimg2.png

phase_diagram/img/cimg3.png

phase_diagram/img/cimg4.png

phase_diagram/img/cimg5.png

phase_diagram/img/cimg6.png

phase_diagram/img/fig1.png

phase_diagram/img/logo.png

phase_diagram/img/phase_dia_1.png

phase_diagram/img/potentials_logo.png

phase_diagram/lial.tar.gz