plot_res: Plotting the models results
In MalditoBarbudo/MedfateValidation: Medfate model validation

Function to generate models plots in order to inspect the results in a visual way

1	plot_res(variable, models, soil, measured_data, mode)

`variable`	Character indicating the variable to visualize
`models`	List with the data frames with the results of the models as generated by `saveRes`
`soil`	Soil object used in the model
`measured_data`	Measured data dataframe
`mode`	Transpiration mode indicated in the models ('simple', 'complex' or 'both')