Modifications and enhancements requested by @santiagomtzdelariva

[AlexAmoSfC]

A set of feature modifications and additions as per @santiagomtzdelariva's request:

• Filter by date:

/api/v1.0/observations?minEventDate=2022-05-04&maxEventDate=2022-05-19

• Filter by measurement:

/api/v1.0/observations?measurementUnit=hedonictone&measurementValue=unpleasant
/api/v1.0/observations?measurementUnit=hedonictone&measurementValue=pleasant
/api/v1.0/observations?measurementUnit=hedonictone&measurementValue=neutral

• Filter by measurement (2)

/api/v1.0/observations?measurementUnit=intensity&measurementValue=very_weak
/api/v1.0/observations?measurementUnit=intensity&measurementValue=weak

etc.

• Change values of unit to not reflect VDI XXXX:XXXX and reflect something simplier as intensity o hedonictone
• Spatial search :

/api/v1.0/observations?decimalLatitude=40.3119774,40.6437293&decimalLongitude=-3.8889539,-3.5179163&place=Madrid,%20Área%20metropolitana%20de%20Madrid%20y%20Corredor%20del%20Henares,%20Community%20of%20Madrid,%20Spain

[AlexAmoSfC]

We will need more information on how to use the place parameter, since OdourCollect does not have such information, we can only provide pure GPS coords