�� Rector and PHPCS fixes (#71)

Co-authored-by: mprins <mprins@users.noreply.github.com>

Add WMTS support (#60)

* Add WMTS support

* allow other overlay layers to be added as a base layer

* new version

* backward baslayer compatibility for agslayer,osmlayer and wmslayer

* Us

Add WMTS support (#60)

* Add WMTS support

* allow other overlay layers to be added as a base layer

* new version

* backward baslayer compatibility for agslayer,osmlayer and wmslayer

* Use getVersionData() in popularity function, reformatting

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