updated the readme format in setup file

Author: chaitu210

setup.py

@@ -26,6 +26,7 @@
     include_package_data=True,
     description="An opensourse CRM developed on django framework",
     long_description=README,
+    long_description_content_type="text/markdown",
     url="https://github.com/MicroPyramid/Django-CRM.git",
     author="Micropyramid",
     author_email="[email protected]",