feat: extract opengait_studio monorepo module

Move demo implementation into opengait_studio, retire Sports2D runtime integration, and align packaging with root-level monorepo dependency management.

pyproject.toml

@@ -20,6 +20,7 @@ dependencies = [
     "scikit-learn",
     "matplotlib",
     "cvmmap-client",
+    "nats-py",
 ]
 
 [project.optional-dependencies]
@@ -35,7 +36,10 @@ wandb = [
 ]
 
 [tool.setuptools]
-packages = ["opengait"]
+
+[tool.setuptools.packages.find]
+where = [".", "opengait-studio"]
+include = ["opengait", "opengait.*", "opengait_studio", "opengait_studio.*"]
 
 [dependency-groups]
 dev = [