460 SpatialDataPoint model and repository

Merge Request

• SpatialDataPoint added for handling 3 dimensional data points
• Repository added to store and retrieve data points

💣 Breaking Changes

🥅 Description

📷 Screenshot

📓 Checklist

• The code compiles without any warnings.
• I followed the code review checklist.
• The documentation has been added/updated.

🔗 Related Issues

• Related #
• Closes #

Closes #460 (closed)