Upload data model

[c0nb4]

Description of the issue

Generate and upload the data model. There are different ways of integration. Good starting points might be, https://www.mdpi.com/2220-9964/13/4/121

Ideas of solution

• Generate the data model in an XLSX.
• Map it, to CityGML and EnergyADE (?).
• Generate XSD
• Write functions in TECDEM and django.

Workflow checklist

• I am aware of the workflow in CONTRIBUTING.md
• I have created a branch for my feature

[c0nb4]

Developmenet is taking place in dev.

[c0nb4]

Data Model Uploaded in https://github.com/TUB-DVG/djangoSRI/tree/1-upload-data-model Moving further dicussion about the data model into subissue: #3

[c0nb4]

• Verify way of installation in dev branch.
• Move to pyproject.toml