update readme

Author: ngxson

examples/tts/README-csm.md

@@ -1,5 +1,27 @@
 # Sesame CSM
 
+This demo shows running inference of [Sesame CSM](https://github.com/SesameAILabs/csm) using llama.cpp / GGML
+
+It contains 3 components (each has its own GGUF file):
+1. Backbone LLM
+2. Decoder LLM
+3. Mimi decoder
+
+## Quick start
+
+By default, all GGUF files are downloaded from [ggml-org Hugging Face's account](https://huggingface.co/ggml-org/sesame-csm-1b-GGUF)
+
+```sh
+# build (make sure to have LLAMA_CURL enabled)
+cmake -B build -DLLAMA_CURL=ON
+cmake --build build -j --target llama-tts-csm
+
+# run it
+./build/bin/llama-tts-csm -p "[0]Hi, my name is Xuan Son. I am software engineer at Hugging Face."
+```
+
+## Convert the model yourself
+
 To get the GGUF:
 
 ```sh
@@ -14,16 +36,10 @@ python examples/tts/convert_csm_to_gguf.py
 python examples/tts/convert_csm_to_gguf.py --outtype q8_0
 ```
 
-Compile the example:
-
-```sh
-cmake --build build -j --target llama-tts-csm
-```
-
-Run the example:
+Run the example using local file:
 
 ```sh
-./build/bin/llama-tts-csm -m sesame-csm-backbone.gguf -p "[0]Hello world."
+./build/bin/llama-tts-csm -m sesame-csm-backbone.gguf -mv kyutai-mimi.gguf -p "[0]Hello world."
 # sesame-csm-backbone.gguf will automatically be loaded
 # make sure the place these 2 GGUF files in the same directory