Add README with base model metadata

Copy config.json from google/gemma-2-9b-it

Upload tokenizer - SAE introspection LoRA - google/gemma-2-9b-it-layer9-decoder-shorter-prompt - step 5500

SAE introspection LoRA - google/gemma-2-9b-it-layer9-decoder-shorter-prompt - step 5500

initial commit