docs: home page with project overview

Home page for the documentation has been updated to provide
a project overview.

Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: I52d9212c2fb3a4142162d8fcc06d0dcf1ad4e133
diff --git a/docs/change-log.md b/docs/change-log.md
index 41370e6..fd80cf5 100644
--- a/docs/change-log.md
+++ b/docs/change-log.md
@@ -1,4 +1,4 @@
-# Change log
+# Change Log
 
 ## v2.9
 ### Highlights