llama : add jinja template for rwkv-world (#14665) * llama : add jinja template for rwkv-world Signed-off-by: Molly Sophia <mollysophia379@gmail.com> * Update convert_hf_to_gguf.py Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com> --------- Signed-off-by: Molly Sophia <mollysophia379@gmail.com> Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>