Update project links (#5)

Author: avaucher

README.md

@@ -7,6 +7,10 @@ It can be installed from Pypi with:
 pip install rxn-opennmt-py
 ```
 
+Links:
+* [GitHub repository](https://github.com/rxn4chemistry/OpenNMT-py)
+* [PyPI package](https://pypi.org/project/rxn-opennmt-py/)
+
 ## OpenNMT-py
 
 This is a [Pytorch](https://github.com/pytorch/pytorch)

setup.py

@@ -16,9 +16,7 @@
     packages=find_packages(),
     project_urls={
         "Documentation": "http://opennmt.net/OpenNMT-py/",
-        "Forum": "http://forum.opennmt.net/",
-        "Gitter": "https://gitter.im/OpenNMT/OpenNMT-py",
-        "Source": "https://github.com/OpenNMT/OpenNMT-py/",
+        "Source": "https://github.com/rxn4chemistry/OpenNMT-py/",
     },
     install_requires=[
         "six",