v0.13.0

Added

• Add Gtk::Widget#children helper method, thanks @hugopl.

Fixed

• Fix crash related to order of initialization of widget templates, thanks @BlobCodes (#34)
• Let gh-pages branch be orphan, so the repository doesn't store a ton of useless history for API docs, thanks @GeopJr (#38).
• Update Ubuntu install instructions, thanks @aramvisser (#45).
• Do not always require children parameter on Gtk::UiTemplate annotation, thanks @hugopl (#33).
• Add support for UI templates from resource files, thanks @hugopl (#36).
• Fix compilation with Harfbuzz 0.7, thanks @hugopl (#43)

Changed

• Harfbuzz, Gio and Pango bindings were moved to different shards, GTK4 shard now depend on them, thanks @hugopl (#46).