chore(master): release 1.6.19

[github-actions]

🤖 I have created a release beep boop

1.6.19 (2025-08-14)

Bug Fixes

• add default parameters datastructure (b71c2f8)
• add get stratigraphic column cmap to stratigraphic column class (a03e716)
• allow adding object into model at different indexes (e1f5cde)
• check id type when creating and use add id to/from dict (eef12b4)
• convert feature builder to folded feature builder (fcf4f76)
• don't add basement to the stratigraphic column made from dictionary (7c98c95)
• don't try to access contacts if they are none (37792a3)

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[github-actions]

🤖 Created releases:

• v1.6.19

🌻