[PATCH] ref_manual: add "fragments" and "templates" directories to structure

Add two new entries for the meta/conf/{fragments,templates}
directories to the structure of OE-Core metadata.

Signed-off-by: Robert P. J. Day <[email protected]>

---

  I didn't bother with the "multiconfig" directory since all it
contained was an empty default.conf file. So let's just go with these.

diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index ff84b250b..96f9c9f34 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -862,6 +862,25 @@ it is possible to extend that support to other SDK hosts by adding
 additional configuration files in this subdirectory within another
 layer.

+.. _structure-meta-conf-fragments:
+
+``meta/conf/fragments/``
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+This directory contains a number of
+:term:`configuration fragments <Configuration Fragment>` ---
+top-level build configuration features that can be independently enabled
+and disabled using standard tooling.
+
+.. _structure-meta-conf-templates:
+
+``meta/conf/templates/``
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+This directory contains default templates to be used as initial files
+such as ``local.conf``, ``bblayers.conf`` and other files when
+initializing a new Yocto Project build.
+
 .. _structure-meta-files:

 ``meta/files/``