Define context for water treatment (needed for Graced SLF use case)

[ddumet]

Missing terms (from fiware smartWater models):

• WaterTreatmentTank (Type)
• hasWaterBeingTreated (relationship)
• WaterBeingTreated (Type)
• hasWaterTreatmentTank (relationship)
• waterIn (property)
• waterOut (property)
• tankCapacity (property ->wasteWater)
• ecoli (property -> waterQuality)
• treatmentCycle (property)

[ddumet]

Once done, update the graced context accordingly, i.e. in addition to adding this newly created context, add to graced context the following smartWater contexts:

• https://raw.githubusercontent.com/smart-data-models/dataModel.WasteWater/master/context.jsonld
• https://raw.githubusercontent.com/smart-data-models/dataModel.WaterQuality/master/context.jsonld