v1.2.0

• Added DatabaseDateTimeDecoder to parse database timestamp strings with space separator and optional microsecond precision.
• Added comprehensive test coverage for database format parsing including edge cases.
• Updated README with documentation and examples for database timestamp parsing.

v1.1.0

• Implemented findByIdentifierOrUtc method in Timezones class to return a matching timezone or UTC if not found.
• Updated README.md with usage example for the new method.
• Added tests for findByIdentifierOrUtc to ensure correct functionality.

v1.0.0

• Introduces Instant (UTC-normalized) with string decoding and Unix-seconds constructors, plus formatting/accessors.
• Adds Timezone and Timezones collection utilities (construction, lookup, conversion).
• Adds CI configuration with GitHub Actions for automated testing and code analysis.
• Enhanced README with project overview and usage instructions.