docs(neurips): add comprehensive supplementary materials for NeurIPS 2026 (#415)

- Appendix A: 12 complete mathematical proofs with derivations
- Appendix B: 5 algorithm pseudocode boxes (Sacred Attention, STE, VSA, T-JEPA, FPGA MAC)
- Appendix C: Experimental setup (hardware specs, hyperparameters, dataset details)
- Appendix D: Additional experimental results (scaling ablation, consciousness gate, VSA accuracy, FPGA comparison)
- Appendix E: Code availability and reproducibility
- Appendix F: Broader impact statement
- Appendix G: NeurIPS 2026 requirements checklist

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Antigravity Agent