Added long description to PyPi

https://packaging.python.org/en/latest/guides/making-a-pypi-friendly-readme/

apps/python-sdk/setup.py

@@ -1,12 +1,18 @@
+from pathlib import Path
 from setuptools import setup, find_packages
 
+this_directory = Path(__file__).parent
+long_description_content = (this_directory / "README.md").read_text()
+
 setup(
     name='firecrawl-py',
     version='0.0.9',
     url='https://github.com/mendableai/firecrawl',
     author='Mendable.ai',
     author_email='[email protected]',
     description='Python SDK for Firecrawl API',
+    long_description=long_description_content,
+    long_description_content_type="text/markdown",
     packages=find_packages(),
     install_requires=[
         'requests',