updated calculation modes, files, simulation models (aka functions)

User Manual/1-user-interface/ENG-Editor.md

User Manual/1-user-interface/GBX-Editor.md

User Manual/1-user-interface/VECTO-Editor.md

User Manual/1-user-interface/VEH-Editor.md

User Manual/1-user-interface/start.md

User Manual/2-calculation-modes/batch.md

User Manual/2-calculation-modes/calc_STANDARD.md

User Manual/2-calculation-modes/calc_index.md

User Manual/2-calculation-modes/calculation-modes.md

User Manual/2-calculation-modes/declaration.md

User Manual/2-calculation-modes/engine-only.md

User Manual/2-calculation-modes/engineering.md

User Manual/3-functions/AccLimit.md

User Manual/3-functions/PT1.md

User Manual/3-simulation-models/AccLimit.md

User Manual/3-simulation-models/Auxiliaries.md

User Manual/3-simulation-models/EcoRoll.md

User Manual/3-simulation-models/EngOnlyMode.md

User Manual/3-simulation-models/FC.md

User Manual/3-simulation-models/LAC.md