DataAudit 0.1.0

Initial release

• Added comprehensive data-quality auditing with audit_data().
• Added reusable validation rules with audit_rules() and apply_audit_rules().
• Added data-quality scoring with audit_score().
• Added checks for missing values, blanks, duplicates, infinite values, constant and near-zero variance variables, outliers, ranges, categories, types, patterns, dates, identifiers, lengths, case, whitespace, sequences, dependencies, uniqueness, and cross-variable consistency.
• Added DataAuditReport, DataAuditRuleResult, and DataAuditScore print and summary methods.
• Added comprehensive automated tests and continuous integration.