Added metadata to setup script

setup.py

@@ -2,5 +2,11 @@ from setuptools import Extension, setup
 from Cython.Build import cythonize
 
 setup(
-    ext_modules = cythonize([Extension("coffe", ["coffe.pyx"])])
+    name='Coffe',
+    version='3.0',
+    description='The COrrelation Function Full-sky Estimator code',
+    url='https://github.com/JCGoran/coffe',
+    author='Goran Jelic-Cizmek',
+    author_email='goran.jelic-cizmek@unige.ch',
+    ext_modules=cythonize([Extension("coffe", ["coffe.pyx"])])
 )