Add authenticated case intake and completed-case return API

pyproject.toml

@@ -12,6 +12,8 @@ dependencies = ["jsonschema>=4.18,<5"]
 [project.optional-dependencies]
 test = ["pytest>=8,<10"]
 research = ["PyMySQL>=1.1,<2", "zstandard>=0.23,<1"]
+api = ["starlette>=0.52.1,<0.53", "uvicorn>=0.35,<1", "python-multipart>=0.0.32,<1"]
+api-test = ["httpx>=0.28,<1", "pytest>=8,<10"]
 
 [tool.setuptools.packages.find]
 where = ["src"]