Move refactor/rename custom events into map- namespace

[AliyanH]

• [X] refactor custom events
• [x] Add missing documentation for geolocation
• [x] Add missing documentation for locate API.
• [x] https://github.com/Maps4HTML/Web-Map-Custom-Element/pull/911
• [ ] map-extent map-change event (I don't see this implemented on main?)
• [x] mapml-viewer focus event
• [x] remove preclick
• [x] mapml-viewer fullscreenchange
• [ ] layer- loadedmetadata (I don't see this implemented on main?)
• [x] remove layer- changeprojection
• [ ] map-link tileloadstart -> map-tileloadstart (I don't see this implemented on main?)

closes #130