Update README.rst with unique pages link to add meta data definitions

README.rst

 Franka Emika Robot World Wide Lab Demonstrator
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-* Documentation: https://iop.pages.git-ce.rwth-aachen.de/workstreams/ws.a3/franka_wwl_demonstrator/
+* Documentation: https://franka-wwl-demonstrator-iop-workstreams-ws-a3-55c043b308e72e51f.pages.git-ce.rwth-aachen.de/
 * Repository: https://git-ce.rwth-aachen.de/iop/workstreams/ws.a3/franka_wwl_demonstrator
 
 Acknowledgement