Add a small README

Signed-off-by: Dennis Keck <[email protected]>

Author: fellhorn

examples/mtmd/README.md

@@ -0,0 +1,27 @@
+# Rust mtmd-cli implementation
+
+Partial port of the mtmd-cli.cpp example in the llama-cpp repository.
+
+## Usage
+
+### Command Line Interface
+
+To run the mtmd example, you first need to download the model gguf file and the multimodal projection file, e.g. for Gemma3 you may use:
+
+```sh
+wget https://huggingface.co/unsloth/gemma-3-4b-it-GGUF/resolve/main/gemma-3-4b-it-Q4_K_M.gguf \
+https://huggingface.co/unsloth/gemma-3-4b-it-GGUF/resolve/main/mmproj-F16.gguf
+```
+
+To then run the example on CPU, provide an image file `my_image.jpg` and run:
+
+```sh
+cargo run --release --example mtmd -- \
+  --model ./gemma-3-4b-it-Q4_K_M.gguf \
+  --mmproj ./mmproj-F16.gguf \
+  --image my_image.jpg \
+  --prompt "What is in the picture?" \
+  --no-gpu \
+  --no-mmproj-offload \
+  --marker "<start_of_image>"
+```