enums with single values should be "const"

[lublak]

export interface Test {
    "testfield": "test"
}

i get a result like this:

"testfield": {
    "enum": [
        "test"
    ],
    "type": "string"
},

but it should look like this:

"testfield": {
    "const": "test",
    "type": "string"
},