nis2-digital-sovereignty-with-zarhus.md: add presentation

img/0x3: add images for NIS2 digital sovereignty with Zarhus

Signed-off-by: Kamil Aronowski <[email protected]>

Author: aronowski

img/0x3/cve-2024-7344.png

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+<template>
+  <div>
+    <Scroll/>
+    <footer
+      v-if="$nav.currentLayout !== 'cover'"
+      class="absolute bottom-0 left-0 right-0 text-center py-2 text-[#000000]"
+    >
+      <small>© 2025 3mdeb Sp. z o.o. Licensed under the <a href="https://creativecommons.org/licenses/by-sa/4.0/" target="_blank">CC BY-SA 4.0</a>.
+</small>
+      <div class="absolute bottom-0 right-0 py-2 pr-2 text-right text-[#000000]">
+        <small><SlideCurrentNo/>/<SlidesTotal/></small>
+      </div>
+    </footer>
+  </div>
+</template>