Add Named Parameters

For reference, they can be one of "Optional" "Switch" or "Mandatory"

```python
"named": {
          "avatar": {"Optional": "String"},
          "pokemon": {"Optional": "String"},
          "catch": "Switch",
          "help": "Switch",
          "list": "Switch",
          "list-sorted": "Switch",
          "help": "Switch"
      },
```