dev-notes.md: gguf read/write example note

dev-notes.md

@@ -1,4 +1,4 @@
-# Dev Note
+# Dev Notes
 
 These are general free form note with pointers to good jumping to point to under
 stand the llama.cpp codebase.
@@ -53,3 +53,10 @@ Aka it's for the writing/reading api.
 | GGUF Context      | Size Of 'Data' In Bytes                             | size      | `size_t` | gguf.c:`@gguf_context`     |
 | Tensor Info Entry | Tensor memory mapped pointer location in computer   | data      | `void *` | gguf.c:`@gguf_tensor_info` |
 | Tensor Info Entry | Tensor memory mapped size of layer data in computer | size      | `size_t` | gguf.c:`@gguf_tensor_info` |
+
+
+### Is there a simple example of gguf being used?
+
+There is this cpp example program that will write a test gguf write/read
+
+- [./example/gguf.cpp](https://github.com/ggerganov/llama.cpp/blob/master/examples/gguf/gguf.cpp)