v1.1.0 of my_lang

A library that provides flexible and easy-to-use localization support for Flutter applications. Changelog excerpt: - Add runtime and generator support for JSON, ARB, YAML, CSV, and XML translations. - Add nested key flattening and compact multi-locale CSV support. - Add ICU MessageFormat placeholders, plurals, and selects through `translateMessage`. - Add locale fallback merging, decoded…