update NEWS.md (Clapeyron skip ci)

NEWS.md

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 # v0.5.0
 
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 ## New Features
 
 - Rework of MultiParameter EoS. there are two new `EoSModels` that represent Empiric, Multiparameter EoS:
     - `SingleFluid`: for single component fluids
     - `MultiFluid`: for multicomponent fluids, with specific mixing and departure rules
     `SingleFluid` and `MultiFluid` constructors are capable of parsing `CoolProp` JSON single component files. furthermore, you can use the available `CoolProp` single fluid library by just importing `CoolProp` into the current working enviroment (`using CoolProp`).
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+- Cubic models that have an alpha dependent of the acentric factor, can be built by passing `acentricfactor` directly to `userlocations`, instead of `alpha_userlocations` (#188)
 - New Function: `RGas(model)` and `Rgas()`, that gives the value of the gas constant used by the model. defaults to `Clapeyron.R̄ = 8.31446261815324`
 - New model: `HelmAct`, to use multiparameter EoS + activity coefficient models as the departure.
 - New model: `XiangDeiters`