[doc improvement]Add supported events for each object

[arnaud4d]

For each event, we have the list of supported objects. Ex:
https://developer.4d.com/docs/Events/onBeginDragOver

We can add the opposite list: for each object, add a paragraph that lists supported events

[mouna-elmaazouzi]

Step 1: Table showing events supported per object
https://4d-my.sharepoint.com/:x:/r/personal/mouna_elmaazouzi_4d_com/Documents/events%20per%20object.xlsx?d=w85def353f2bb4d378dcdc8290a5d753d&e=4%3aa83232fcb1f5439f81bb6bab9ff7b299&sharingv2=true&fromShare=true&at=9

Branch created: https://github.com/doc4d/docs/tree/docs/add-object-to-events-mapping

[mouna-elmaazouzi]

Updated finalized branch: https://github.com/doc4d/docs/tree/docs/object-to-event-2