Create a new category

Sample Request:

POST /categories/cbb70402-1359-477f-ac92-0171cf2b5ff7
{
    "name": "Water",
    "imageName": "water.svg",
    "color": "#0000cc",
    "keywordMatching": "Any",
    "keywords": [
        {
            "value": "H2O"
        },
        {
            "value": "Water"
        }
    ]
}