backport SPDX documentation and vulnerability improvements

(From yocto-docs rev: c87d0388caba56490c32e27911b10c926ca02ea9)

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

1 files changed, 1 insertions, 0 deletions

diff --git a/documentation/conf.py b/documentation/conf.py
index 07a15ce7de..bd45a73fa6 100644
--- a/documentation/conf.py
+++ b/documentation/conf.py
@@ -106,6 +106,7 @@ extlinks = {
     'oe_wiki': ('https://www.openembedded.org/wiki%s', None),
     'oe_layerindex': ('https://layers.openembedded.org%s', None),
     'oe_layer': ('https://layers.openembedded.org/layerindex/branch/master/layer%s', None),
+    'wikipedia': ('https://en.wikipedia.org/wiki/%s', None),
 }
 
 # Intersphinx config to use cross reference with BitBake user manual