migrate to QGIS 4.0

update Open Data

migrate to pyqt6

update HCMGIS

remove pycache

Update README.md

Update README.md

Update LICENSE

update GADM Downloader

add QGIS Server WFS layer

update hcmgis_dialogs

Update hcmgis_dialogs.py

update vector tile basemaps

add Vector tile basemaps

update vector tiles basemap