Add access to well known databases

[jetelain]

No description provided.

[Copilot]

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

Comments suppressed due to low confidence (3)

MapToolkit.Test/Databases/WellKnownDatabasesTest.cs:11

• The test should cover the scenario where localCache is provided as null to ensure that the default cache location is used correctly.

var database = WellKnownDatabases.GetAW3D30();

MapToolkit.Test/Databases/WellKnownDatabasesTest.cs:21

• The test should cover the scenario where localCache is provided as null to ensure that the default cache location is used correctly.

var database = WellKnownDatabases.GetSRTM1();

MapToolkit.Test/Databases/WellKnownDatabasesTest.cs:32

• The test should cover the scenario where localCache is provided as null to ensure that the default cache location is used correctly.

var database = WellKnownDatabases.GetSRTM15Plus();