chore: untrack and remove Korean jupyter notebook from public HF and GitHub repos

docs: update repository structure & manifest to match exact HF model hub contents

feat: add official Hugging Face replay.mp4 video preview and clean up markdown body

feat: add high-resolution cybernetic disturbance rejection animated GIF preview

docs: add bilingual navigation links, language tags, and TIP callout box

docs: fix markdown table formatting and add empty line separators for Hugging Face rendering

feat: initial release of CartPole-v1 Physical AI & Sim-to-Real Benchmark Suite