docs: enhance README with search mode guides and app info updates, add entanglement resonance feature

revert(app): limit HF datasets to 50k arxiv and core packs for space constraints

trying again (#2)

there-is-already-a-branch (#1)

Upload folder using huggingface_hub

Upload folder using huggingface_hub

Upload folder using huggingface_hub

staged changes are still showing even after forced push.