Add release_input_metadata.json to data ingestion

[ficolo]

    {
        "data_release_date": "23 February 2026",
        "statistical_analysis_package_name": "OpenStats",
        "statistical_analysis_package_version": "1.20.0",
        "genome_assembly_species": "Mus musculus",    
        "genome_assembly_version": "GRCm39"
    }