feat: add sqlalchemy and alembic dependencies

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

pyproject.toml

@@ -0,0 +1,40 @@
+[build-system]
+requires = ["setuptools>=80", "setuptools-scm>=8"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "ai-demo-backend"
+dynamic = ["version"]
+description = "Backend HTTP server for a word search game"
+requires-python = ">=3.13"
+dependencies = [
+    "alembic>=1.18.4",
+    "click>=8.3.3",
+    "setuptools-scm",
+    "sqlalchemy>=2.0.49",
+    "tornado",
+]
+
+[dependency-groups]
+dev = [
+    "black",
+    "flake8",
+    "pre-commit",
+    "pytest",
+    "pytest-tornasync",
+]
+
+[tool.black]
+line-length = 88
+target-version = ["py313"]
+
+[tool.setuptools.packages.find]
+include = ["handlers*"]
+
+[tool.setuptools_scm]
+version_scheme = "release-branch-semver"
+local_scheme = "node-and-date"
+version_file = "_version.py"
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]