readme: fill in colab notebook and demo video links

readme: drop em dashes, add SOC/MITRE/SOAR/IoC/MTTR terminology, cache-bust SFT curve

Update SFT reward curve caption to reflect new baseline-anchored chart

Update title to 'Adaptive Incident Response Under Polymorphic Adversaries'; redraw architecture and training pipeline SVGs

Fix Dockerfile: install runtime deps with pip into system Python

Add live Space link to Project Links

Initial deploy of AdaptShield two-phase cybersecurity environment

initial commit