Adding long description

setup.py

@@ -1,4 +1,7 @@
 import setuptools
+from pathlib import Path
+this_directory = Path(__file__).parent
+long_description = (this_directory / "README.md").read_text()
 
 setup_reqs = ["pytest", "pytest-cov", "pytest-runner", "flake8"]
 setuptools.setup(
@@ -7,6 +10,8 @@
     author="Intuit",
     author_email="[email protected]",
     description="A tool to search and replace files in a Git repo",
+    long_description=long_description,
+    long_description_content_type='text/markdown',
     url="https://github.com/argoproj-labs/gordian",
     install_requires=["pygithub", "pyyaml", "jsonpatch", "deepdiff", "retry"],
     setup_requires=setup_reqs,