Generate imaging and rendering API shims

crates/libremetaverse-imaging/src/lib.rs

@@ -1,5 +1,15 @@
 //! Imaging abstractions corresponding to `LibreMetaverse.Imaging.Abstractions`.
 
+extern crate self as libremetaverse_imaging;
+
+pub mod codec {
+    pub trait IImage {}
+    pub trait IImageCreator {}
+    pub struct ImageCreator<T>(pub std::marker::PhantomData<T>);
+    pub struct InterleavedImage;
+    pub struct BlkImgDataSrc;
+}
+
 mod generated;
 
 pub use generated::*;