Last version before implementing REMD

2023.04

Add toml-f branch specification, update read_force_field

Ver 0.3, befor changing the parameter format to be fully nucleotide-pair dependent.

v0.3

Add random_xyz.py which is a script to make a random conformation

Ver 0.2

DH electrostatics has been implemented.

To do next

• Restriction to the number of base pairs.
• REMD

Ver 0.1

Still minimum implementations. Only OpenMP is used. REMD is not implemented.