Add request and response payload examples for main endpoint

[joshuamzm]

Link to temporal documentation: https://docs-radiantlabs-co--2.org.readthedocs.build/projects/modeling-api/en/2/

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Add and embed request and response payload examples for different use cases:

• Modeling Results Resolutions
• Automated Measures example adding a new heat pump
• Extensive Inputs and Outputs example