feat(recipe): Add Llama 3.1 70B 8k bf16 recipe for tpu7x-4x4x4#107

Krishna-hub-spec wants to merge 1 commit intoAI-Hypercomputer:mainAI-Hypercomputer/tpu-recipes:mainfrom

Krishna-hub-spec:ironwood/llama3_1_70b_8k_bf16_tpu7x_4x4x4Krishna-hub-spec/tpu-recipes:ironwood/llama3_1_70b_8k_bf16_tpu7x_4x4x4Copy head branch name to clipboard