Update upstream source from tag 'upstream/1.18.1'

Update to upstream version '1.18.1'
with Debian dir c3bddd9d0e9179b217cbb1b2bb3324c7fcc0ea09

1 files changed, 175 insertions, 0 deletions

diff --git a/doc/website/assets/card.svg b/doc/website/assets/card.svg
new file mode 100644
index 0000000..0730042
--- /dev/null
+++ b/doc/website/assets/card.svg
@@ -0,0 +1,175 @@
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