Packaging, rtut check, tests CI job; schemas move into the package (RBT-WP-0009-T02)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 295952@bnt-lap001
Assistant-Session: e93f64ad-516c-46eb-9666-aad8d300c477

pyproject.toml

@@ -0,0 +1,27 @@
+[build-system]
+requires = ["setuptools>=68"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "runbook-tutorials"
+version = "0.1.0"
+description = "Runbook-tutorial engine and local UI: guided, parameterized operator runbooks; packs live in the repos that own them."
+readme = "README.md"
+requires-python = ">=3.12"
+license = { file = "LICENSE" }
+dependencies = ["PyYAML>=6", "jsonschema>=4"]
+
+[project.optional-dependencies]
+test = ["pytest>=7"]
+
+[project.scripts]
+rtut = "rtut.__main__:cli"
+
+[tool.setuptools]
+packages = ["rtut"]
+
+[tool.setuptools.package-data]
+rtut = ["schema/*.json"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]