Added hotels and pickups autocomplete

Added new values "hotels" and "pickups" as the likely results of the /autocomplete endpoint.

Examples:

https://{api_base_url}/autocomplete?sort_by=hotel&text=hilton&hotel_limit=3

[
    {
        "type": "hotels",
        "items": [
            {
                "id": "3cb39d75-1ea4-451e-832d-c0a68c67799b",
                "title": "Hilton Hua Hin",
                "hint": ""
            },
            {
                "id": "5ce74479-2ba0-4c5e-bdb7-fb76a5da534a",
                "title": "Hilton Malta",
                "hint": ""
            },
            {
                "id": "d7f589cb-77ab-4c4d-8a32-6d0b560ce1dc",
                "title": "DoubleTree by Hilton Resort & Spa Reserva Higueron",
                "hint": ""
            }
        ]
    }
]

As well as

https://{api_base_url}/autocomplete?sort_by=pickup&text=harbor&pickup_limit=1

[
    {
        "type": "pickups",
        "items": [
            {
                "id": "bc0e971d-7729-4f3e-83e4-3a6bf190f5e4",
                "title": "No transfer-meeting pt: kolymbia main harbor",
                "hint": ""
            },
            {
                "id": "e4dcba3b-1afc-4a48-ab0e-f5185fa54b8c",
                "title": "Mandraki harbor -no transfer",
                "hint": ""
            }
        ]
    }
]