[Plan] Route for developing ATST-Tools

[QuantumMisaka]

Usage and Tutorials：

• Dimer ABACUS/DP usage and notebook
• Sella ABACUS/DP usage and notebook
• NEB2Dimer & NEB2Sella usage and notebook

Software Developing:

• OOP coding
• link to PyPI or Conda-forge

[QuantumMisaka]

Done;

• Dimer usage tutorial
• Sella usage tutorial

Next Target

• add pip installation functionality based on pyproject.toml
• use JSON file as input, moving all scripts in source, make ATST-Tools easier to use

[QuantumMisaka]

Since deepmodeling/abacus-develop#6950 implemented ABACUS light-weight ASE plugin abacuslite, ATST-Tools 2.0 will be refractored around this ecosystem, which is truly in plan.