update slides - marketing - Marketing materials (presentations, posters, flyers)

commit 6dda7b4623cc6c20fa09e73cd8d9265e6535a68c
parent 5e30f0e03db3e574fe0310f7ce4c78ca5c046834
Author: Christian Grothoff <grothoff@gnunet.org>
Date:   Sun, 12 Oct 2025 14:10:02 +0200

update slides

Diff is too large, output suppressed.

	marketing Marketing materials (presentations, posters, flyers)
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