ci: adopt reusable workflows from `named-data/actions`

Switch source archive (tarball) to xz compression and
mention using gerrit for code review in the README

Change-Id: Ie69de065311737f6fe48976fbab5f896f3960e06
diff --git a/docs/install.rst b/docs/install.rst
index 6704d23..46ff498 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -4,7 +4,7 @@
 Prerequisites
 -------------
 
--  `ndn-cxx <https://named-data.net/doc/ndn-cxx>`_ and its dependencies
+- `ndn-cxx <https://docs.named-data.net/ndn-cxx/>`__ and its dependencies
 
 Build
 -----