Add maxCapacity

Author: jason-fox

README.md

@@ -603,7 +603,6 @@ The equivalent cUrl statement can be seen below:
 ```console
 curl -G -X GET 'http://localhost:1026/ngsi-ld/v1/entities/' \
 -H 'Link: <http://context/ngsi-context.jsonld>; rel="http://www.w3.org/ns/json-ld#context"; type="application/ld+json"' \
--H 'Content-Type: application/json' \
 -H 'Accept: application/json' \
 -d 'type=Shelf' \
 -d 'options=keyValues' \

data-models/user-context-with-graph.jsonld

@@ -71,6 +71,7 @@
         "lock_status": "tutorial:lock_status",
         "luminiscence": "https://w3id.org/saref#luminiscence",
         "macAddress": "fiware:macAddress",
+        "maxCapacity":  "tutorial:maxCapacity",
         "mcc": "fiware:mcc",
         "mnc": "fiware:mnc",
         "motion": "https://w3id.org/saref#motion",

data-models/user-context.jsonld

@@ -71,6 +71,7 @@
         "lock_status": "tutorial:lock_status",
         "luminiscence": "https://w3id.org/saref#luminiscence",
         "macAddress": "fiware:macAddress",
+        "maxCapacity":  "tutorial:maxCapacity",
         "mcc": "fiware:mcc",
         "mnc": "fiware:mnc",
         "motion": "https://w3id.org/saref#motion",