Update electrochemicalquantities.ttl

- add labels for quantities used in resources from Novonix, Arbin, Maccor, Indigo, Biologic, Neware, and Battery Archive
- add terms for VoltageChangeRate and CurrentChangeRate
- add term for StepType
- add term for InstantaneousPower
- add term for DifferentialCapacity
- add term for DeviceTemperature
- edit CRate terms for clarity