- Update dependencies (Flask, mypy, python >3.8)
- Load javascript in an async manner
- Replace obsolete `Marker` with `AdvancedMarkerElement`

- Introduce PinElement
- Minor javascript refactoring
- Remove icon functionality

- Replace javascript for loops with jinja. I did this in order to create "dynamic" js variables to have an "img" icon.
- This is not clever though. I will revert the js loop and then use jinja2 to create the img element when needed

- MarkerContent is an abstract method. It can be either a Pin or Image
- Marker object comprises of MarkerContent
- Add unit tests
- I am bothered by the use of `eval` method for the content

- MarkerContentFactory returns the appropriate MarkerContent implementation (i.e. either Pin or Image)
- Add unit tests

- Reformat files with `black`
- Update dependencies. E.g. jsmin -> 3.0.1 as this version removes the use_2to3, which creates issues with latest setuptools

- Move and refactor test_map.py
- Bump Python dependency to 3.9
- Use latest flake8 revision

- Documentation: Describe the new markers setup
- Remove `label` field from marker.py
- Add support for `scale` for a pin.py

- clusters, moving map, latlon don't work