[PATCH] README: Add Documentation blurb

[John Snow]

Add it in a prominent place: Right after figuring out what QEMU is,
users may wish to know how to use it more than they want to know how to
build their own version of it.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 README.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.rst b/README.rst
index 58b9f2dc15c4..758ea8fd2ff0 100644
--- a/README.rst
+++ b/README.rst
@@ -31,6 +31,17 @@ QEMU as a whole is released under the GNU General Public 
License,
 version 2. For full licensing details, consult the LICENSE file.
 
 
+Documentation
+=============
+
+Documentation can be found hosted online at
+`<https://www.qemu.org/documentation/>`_. The documentation for the
+current development version that is available at
+`<https://www.qemu.org/docs/master/>`_ is generated from the ``docs/``
+folder in the source tree, and is built by `Sphinx
+<https://www.sphinx-doc.org/en/master/>_`.
+
+
 Building
 ========
 
-- 
2.26.2