Allow customization of return type when using markerClickEvents() and myLocationButtonClickEvents()

[arriolac]

Is your feature request related to a problem? Please describe.
Currently, using the markerClickEvents() and myLocationButtonClickEvents() APIs cannot customize the behavior when a marker or when the blue dot is tapped. That is, the default behavior of centering the map on the marker/blue dot (and additionally displaying an info window for a marker) will always occur.

Describe the solution you'd like
Customization of this behavior should be achievable by passing in an optional lambda to one of those methods.

For example:

googleMap.markerClickEvents { marker ->
    // Override default behavior
    return false
}.collect {
    // ...
}

Describe alternatives you've considered
Do nothing.

Additional context
See #162 (comment)

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Closing this. Please reopen if you believe it should be addressed. Thank you for your contribution.