Updated coefficients and variables - Small file structure changes

[yamilbknsu]

This PR updates the coefficients of the logit models and finalizes documentation and file structure for v1.0.0.

It also closes issue #75

[Copilot]

Pull Request Overview

This PR updates the coefficients and model expressions for various logit models to improve their accuracy and adds new demographic variables for better model fitting. It also finalizes documentation and file structure for v1.0.0 release.

• Updates model coefficients and expressions across multiple demographic models (mortality, marriage, education, etc.)
• Adds new age bin and family size variables for enhanced model precision
• Implements proper handling of geographic identifiers (geoid vs county assignment)
• Creates configuration file for SF Bay Area example

Reviewed Changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
notebooks/DevTODO.md	Updates task completion status for model coefficients
demos/variables.py	Adds new age bin and marital status variables for updated models
demos/models/kids_moving.py	Separates geoid and county assignment for proper geographic handling
demos/models/household_reorg.py	Implements separate geoid and county assignment logic
demos/config.py	Adds validation for required lcm_county_id column
data/sf_bay_example/calibrated_models_coefficients/*.yaml	Updates model coefficients and expressions across all demographic models
configuration/demos_config_sfbay.toml	Creates comprehensive configuration for SF Bay Area example

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