2026-10-16 The first version

The Ionic Conductivity step is part of phase 7 of the MD analysis campaign of 2026-10-14, whose design and plan are on the main SEAMM documentation site (developer guide, campaigns, 2026-10-14: PLAN_md_analysis.rst and PLAN_phase7_dielectric.rst). The analysis is in seamm_md_analysis.electric.