fix: corregir formato de licencia y actualizar pytest-asyncio a la versión 1.3.0

Author: HC-ONLINE

pyproject.toml

@@ -7,7 +7,7 @@ name = "modelrouter"
 version = "0.1.0"
 description = "API asíncrona para orquestación multi-proveedor de LLM con streaming y fallback automático."
 readme = "README.md"
-license = { text = "Apache-2.0" }
+license = "Apache-2.0"
 authors = [
     { name = "HC-ONLINE" }
 ]
@@ -36,11 +36,14 @@ dev = [
     "types-requests==2.31.0.20240125",
     "typing-extensions==4.12.2",
     "pytest==9.0.3",
-    "pytest-asyncio==1.0.0",
+    "pytest-asyncio==1.3.0",
     "pytest-cov==6.0.0",
     "pytest-mock==3.14.0",
 ]
 
+[tool.setuptools]
+packages = ["api", "ui"]
+
 [tool.black]
 line-length = 88
 target-version = ['py311']