fix: use absolute URLs in README.md

Author: padamstx

MANIFEST.in

@@ -1,4 +1,3 @@
 include requirements.txt
 include requirements-dev.txt
 include LICENSE
-include CONTRIBUTING.md

README.md

@@ -98,9 +98,9 @@ Before that, please search for similar issues. It's possible that someone has al
 Find more open source projects on the [IBM Github Page](http://ibm.github.io/)
 
 ## Contributing
-See [CONTRIBUTING](CONTRIBUTING.md).
+See [CONTRIBUTING.md](https://github.com/IBM/platform-services-python-sdk/blob/master/CONTRIBUTING.md).
 
 ## License
 
-The IBM Cloud Platform Services Python SDK is released under the Apache 2.0 license.
-The license's full text can be found in [LICENSE](LICENSE).
+This SDK is released under the Apache 2.0 license.
+The license's full text can be found in [LICENSE](https://github.com/IBM/platform-services-python-sdk/blob/master/LICENSE).