v0.2.0

Generating hourly cold demand

• New module cold
• New classes BuildingType, ClimaticZone
• New calculation function felt_temperature
• New functions step_night_reduction_week_profile, smooth_step_night_reduction_week_profile

Find how to use it in: https://cea-liten.github.io/HeatPro/modules/simple_usage/simple_cold_demand.html