update README

README.md

 # solo-rbprm
-File database for Talos robot using the hpp-rbprm framework
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+[![Pipeline status](https://gitlab.laas.fr/humanoid-path-planner/solo-rbprm/badges/master/pipeline.svg)](https://gitlab.laas.fr/humanoid-path-planner/solo-rbprm/commits/master)
+[![Coverage report](https://gitlab.laas.fr/humanoid-path-planner/solo-rbprm/badges/master/coverage.svg?job=doc-coverage)](http://projects.laas.fr/gepetto/doc/humanoid-path-planner/solo-rbprm/master/coverage/)
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+File database for Solo robot using the hpp-rbprm framework