ref-manual: move migration guides to separate document

This makes the reference manual much lighter by moving
the migration guides to a separate document.

The migration guides are also reordered from last to first,
and they appear directly in the left bar, making them easier
to find in the documentation.

(From yocto-docs rev: 5121b86ee97eb62a0c69c9ad1fc0e3fabbe3e934)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/documentation/ref-manual/release-process.rst b/documentation/ref-manual/release-process.rst
index 935a2e39bb..64adc1e389 100644
--- a/documentation/ref-manual/release-process.rst
+++ b/documentation/ref-manual/release-process.rst
@@ -62,8 +62,10 @@ codename are likely to be compatible and thus work together.
 
 Releases are given a nominal release version as well but the codename is
 used in repositories for this reason. You can find information on Yocto
-Project releases and codenames at
-:yocto_wiki:`/Releases`.
+Project releases and codenames at :yocto_wiki:`/Releases`.
+
+Our :doc:`/migration-guides/index` detail how to migrate from one release of
+the Yocto Project to the next.
 
 Stable Release Process
 ======================