drag_start vs dragstart

[StellarCodeOrg]

I just noticed a small typo in the event handlers for Advanced Markers: I think somewhere in the code, "drag_start" should be replaced by "dragstart". ("dragend" works perfectly though!).
https://developers.google.com/maps/documentation/javascript/reference/advanced-markers
Great work by the way!

[pyjun01]

Thank you for your reporting! It's fixed in v1.0.6 👍