v1.1 — post-competition analysis

Post-competition analysis updates:

• ribonanza_tmscore.py gains native lDDT (no Docker) and GDT-TS scoring with a stereocheck toggle.
• Public release cleanup: no-Docker lDDT docs, environment-overridable helper paths, and a .gitignore.

v1.0 — Kaggle competition preparation

Submission-preparation, scoring, and format-conversion tools as used to prepare the Stanford RNA 3D Folding Kaggle competition.