Rename gemma-2-9b-it-function-calling-gguf-q4_k_m.gguf to gemma-2-9b-it-function-calling-q4_k_m.gguf

Update README.md

Upload README.md with huggingface_hub

Upload gemma-2-9b-it-function-calling-gguf-q4_k_m.gguf with huggingface_hub

initial commit