chore: scaffold project structure

.gitignore

@@ -0,0 +1,7 @@
+__pycache__/
+*.pyc
+.venv/
+*.egg-info/
+data/
+.env
+notes.md

pyproject.toml

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+[build-system]
+requires = ["setuptools>=68"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "acl-anthology-search-api"
+version = "0.1.0"
+requires-python = ">=3.11"
+dependencies = [
+    "fastapi>=0.110",
+    "uvicorn[standard]>=0.29",
+    "faiss-cpu>=1.8.0",
+    "httpx>=0.27",
+    "huggingface_hub>=0.23",
+    "pydantic>=2.6",
+    "pydantic-settings>=2.2",
+    "numpy>=1.26",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=8.0",
+    "pytest-mock>=3.14",
+    "pytest-asyncio>=0.23",
+]
+
+[tool.setuptools]
+packages = ["common", "sync", "app"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]