Doc: add quality assurance pages

Add pages covering quality assurance related information.

Signed-off-by: Gyorgy Szing <Gyorgy.Szing@arm.com>
Change-Id: I8fca8c51101f3682e0799d41ed9e09cc07ecf52a
diff --git a/docs/project/index.rst b/docs/project/index.rst
index 91ad6bc..d4717d1 100644
--- a/docs/project/index.rst
+++ b/docs/project/index.rst
@@ -12,7 +12,7 @@
     license
     maintainers
     versioning_policy
-
+    quality-assurance/index
 
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