stuff around publishing crate successfuly done

steel_decimal/CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [1.0.0] - 2025-07-07
+
+### Added
+- Initial release of steel_decimal crate
+- High-precision decimal arithmetic for Steel programming language
+- Automatic script transformation from standard math to decimal operations
+- Comprehensive mathematical functions:
+  - Basic arithmetic (add, subtract, multiply, divide)
+  - Advanced mathematics (power, square root, logarithms, exponential)
+  - Trigonometric functions (sin, cos, tan)
+  - Comparison operations
+  - Utility functions (abs, min, max, round)
+- Financial calculation functions
+- Precision control with thread-local contexts
+- Variable support with validation
+- Selective function registration via builder pattern
+- Scientific notation support in decimal parsing
+- Comprehensive test suite with 100% pass rate
+- Property-based testing with proptest
+- Concurrency testing
+- Security and boundary testing
+
+### Features
+- Thread-safe precision contexts
+- Configurable function registration
+- Variable interpolation in scripts
+- Script validation and dependency extraction
+- Type conversion utilities
+- Error handling with detailed messages