Initial upload with comprehensive README and tests

setup.py

@@ -0,0 +1,44 @@
+from setuptools import setup, find_packages
+
+with open("README.md", "r", encoding="utf-8") as fh:
+    long_description = fh.read()
+
+setup(
+    name="json-to-openapi",
+    version="1.0.0",
+    author="Developer",
+    author_email="developer@example.com",
+    description="A Python CLI tool that analyzes JSON data files and automatically generates valid OpenAPI 3.0 specification files",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    url="https://github.com/example/json-to-openapi",
+    packages=find_packages(),
+    classifiers=[
+        "Development Status :: 4 - Beta",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+    ],
+    python_requires=">=3.9",
+    install_requires=[
+        "click>=8.0",
+        "jsonschema>=4.0",
+        "pyyaml>=6.0",
+    ],
+    extras_require={
+        "dev": [
+            "pytest>=7.0",
+            "pytest-cov>=4.0",
+        ],
+    },
+    entry_points={
+        "console_scripts": [
+            "json-to-openapi=json_to_openapi.cli:main",
+        ],
+    },
+)