feat(imaging): default to pure-Rust codecs

crates/libremetaverse-imaging/src/lib.rs

@@ -1,9 +1,9 @@
 //! Image and texture abstractions corresponding to `LibreMetaverse.Imaging`.
 //!
-//! The default surface provides managed images plus native `TGA`/`DDS` handling.
-//! Enable `jpeg2000` for the audited system `OpenJPEG` adapter or `rust-j2k`
-//! for the independently selectable pure-Rust JPEG 2000 backend. Ordinary
-//! users can consume the traits without either codec dependency.
+//! The default surface provides managed images, native `TGA`/`DDS` handling,
+//! and the pure-Rust `rust-j2k` JPEG 2000 backend. Enable `jpeg2000` for the
+//! optional audited system `OpenJPEG` adapter. Consumers that only need the
+//! format-neutral image types can disable default features.
 
 extern crate self as libremetaverse_imaging;