README.md: Fixup documentation pass status

Point to new RTD project

Signed-off-by: Amit Kucheria <amit.kucheria.ext@huawei.com>

README.md

@@ -6,7 +6,7 @@ SPDX-License-Identifier: CC-BY-4.0
 
 # Oniro Project Documentation Repository
 
-[![Documentation Status](https://readthedocs.org/projects/allscenarios/badge/?version=latest)](https://docs.oniroproject.org/en/latest/)
+[![Documentation Status](https://readthedocs.org/projects/oniroproject/badge/?version=latest)](https://docs.oniroproject.org/en/latest/)
 
 This repository provides the overarching documentation of the Oniro
 Project. It does that by aggregating multiple `sphinx` projects part of