v1.0.0

[1.0.0] - 2025-08-28

Added

• Initial release of sdate.
• Command-line tool for Splunk-like time manipulation.
• Support for relative time and snap operations.
• Flexible output formatting, including UNIX timestamp.
• Timezone handling for base time and output.
• Unit tests for core logic.

Changed

• Improved Makefile to provide comprehensive build, test, and packaging targets.
• make package now builds and archives for Linux, Windows, and macOS (Universal Binary).