DE: Add Victorian suburb geo-data

[HaNGUYEN-96]

Author: @HaNGUYEN-96
Planner Task: Link to MS Planner

Summary

This pull request adds the data dictionary documentation for the Victorian Suburbs Latitude and Longitude Dataset. The dataset contains suburb-level latitude, longitude, postcode, state, and electorate rating information for Victoria.

This documentation supports the FireFusion Data Engineering standard by clearly describing the dataset source, structure, variables, data quality notes, transformation rules, validation checks, and target schema mapping.

Dataset Information

• Dataset name: Victorian Suburbs Latitude and Longitude Dataset
• Source: Victorian Government / Wildlife Victoria
• Source URL: https://www.wildlife.vic.gov.au/injured-native-wildlife/media/files/iwt-suburbs-latlng
• Number of rows: 3,540
• Number of columns: 6
• Columns:
  • latitude
  • longitude
  • electoraterating
  • suburb
  • postcode
  • state

Changes Made

• Added a markdown data dictionary for the suburb latitude and longitude dataset.
• Documented source information, dataset purpose, and FireFusion use case.
• Added variable descriptions, data types, null handling, and notes.
• Added data quality observations, including blank electoraterating values and possible duplicate suburb/postcode records.
• Added suggested transformation and validation rules.
• Added target mapping to support future integration with location_registry.

FireFusion Relevance

This dataset can support:

• suburb-level location lookup
• weather API requests using suburb coordinates
• mapping suburbs to the FireFusion 1km x 1km location grid
• postcode and suburb-based joins
• frontend suburb search or filtering
• preparation of location-based inputs for AI modelling and backend services

Checklist

• Dataset source documented
• Column names and descriptions added
• Data quality notes included
• Transformation rules documented
• Target schema mapping provided
• FireFusion usage explained
• Assumptions and limitations recorded

[wilsnd]

Good work on the suburb data