Add the CSM model. (#2862)

* Add the CSM model.

* Add some code to load the model.

* Load the text tokenizer.

* Add frame generation.

* Get the sampling to work.

* Rope fix.

* Autoregressive generation.

* Generate some audio file.

* Use the actual prompt.

* Support multiple turns.

* Add a very barebone readme.

* Move some of the shared bits to the model.

candle-transformers/src/models/mod.rs

@@ -27,6 +27,7 @@ pub mod codegeex4_9b;
 pub mod colpali;
 pub mod convmixer;
 pub mod convnext;
+pub mod csm;
 pub mod dac;
 pub mod debertav2;
 pub mod deepseek2;