Enhancement: Allow registering doors from other resources

[137ElPro]

Currently, doors must be configured directly inside the `ox_doorlock` resource.
It would be very useful to register new doors dynamically from other resources using an export, passing all the attributes the system already supports.

Proposal

Add an exported function, for example:

exports.ox_doorlock:RegisterDoor({
    id = 'custom_bank_door_01',
    coords = vec3(150.26, -1040.2, 29.37),
    heading = 250.0,
    model = `v_ilev_bk_door`,
    state = true, -- locked/unlocked

    -- Optional / advanced
    auto = false,
    autolock = true,
    double = {
        {
            coords = vec3(149.9, -1040.2, 29.37),
            heading = 70.0,
            model = \`v_ilev_bk_door2\`,
        },
        {
            coords = vec3(150.6, -1040.2, 29.37),
            heading = 250.0,
            model = \`v_ilev_bk_door2\`,
        },
    },
    characters = { 12345, 67890 },
    groups = { police = 2, fib = 0 },
    items = { 'lockpick', 'bank_keycard' },
    lockpick = true,
    lockpickDifficulty = 0.5,
    passcode = '1234',
    hideUi = false,
    holdOpen = false,
    lockSound = 'door_lock',
    unlockSound = 'door_unlock',
    maxDistance = 2.5,
    doorRate = 1.0,
})