Tool call support (Llama 3.x, Functionary v3, Hermes 2 Pro, Mistral Nemo, generic) w/ lazy grammars & minimalist Jinja engine

Tool call support (Llama 3.x, Functionary v3, Hermes 2 Pro, Mistral Nemo, generic) w/ lazy grammars & minimalist Jinja engine #2351