First release of arm092/validation for Ghi.
- Explicit RequiredText, TextLength, OneOf, IntRange and NumberRange checks.
- Ordered field/code violations with Valid, Errors and ForField.
- Reject adds application-specific violations; ConfigError reports invalid rule configuration.
- Unicode code point lengths, invalid UTF-8 detection and finite numeric ranges.
- No external dependencies. MIT license.
Verified using published Windows amd64 Ghi v0.2.5 and Mojave v0.1.0: formatting check, 11 package tests and a fresh consumer installed from the public repository. Other platforms and compiler versions are not verified.