Function resolve_published 

pub fn resolve_published(
    content_meta: &ContentMeta,
    platform_id: &str,
    global_config: &Config,
) -> bool

Resolve published using RFC-0005:C-RESOLUTION-ORDER 5-level chain:

1. meta.toml[platforms.X].published — per-content platform-specific
2. meta.toml.published — per-content default
3. typub.toml[platforms.X].published — global platform-specific
4. typub.toml.published — global default
5. Adapter default (true)

Implements [[RFC-0005:C-RESOLUTION-ORDER]].