DTM refactor and new NRW DTM provider

1.7.3

Docs update.

Safely draw textures (Docker 139)

1.7.2

Demo file.

Textures Schema Editor

* Textures images.

* UTM shift fix.

* Texture schema editor.

* README update.

UTM shift fix

* Textures images.

* UTM shift fix.

* Removed texture file.

* Minor code updates.

* mypy updates.

* Default satellite margin value.

Hotfix: WebUI checkbox update

1.6.91

WebUI typing fix.

Force build new Docker Image

1.6.81

Actions update.

Enhances USGS support and DTM provider architecture

* Enhances DTM provider architecture and USGS support

Refactors DTM provider to use ABC for a more modular design and adds abstract methods for consistent subclass implementations. Updates USGS provider to support multiple resolutions and datasets, enhancing flexibility and coverage.

Introduces new metadata attributes and helper methods to streamline data retrieval and presentation.

Improves UI components to handle diverse data types, ensuring a more robust and intuitive user experience.

* Temporarily (lol) ignore too-many-public-methods on DTM base class

Tree Schema Editor in Modder Toolbox

Three Schema Editor

* Tree schema editor.

* README update.

GRLE Updates and new Previews

* Farmland previews.

* Select base grass.

* Updated base grass value.

* Settings update.

* New GRLE Settings.

* Number of plants islands.

Custom background image

* Custom background image.

* README update.

* README update.

* Water depth fix.