chg: [carousel] 2 more carousel pages

data/carousel/galaxy.yaml

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+weight: 3
+title: "A galaxy of information"
+description: "<p>MISP is more than Software</p><p>It is also a massive collection of open taxonomies that can be used in any software.</p>
+<p>AM!TT for disinformation, <br/>ATT&CK for threat actors, TTPs, <br/>Attack4fraud, TLP, GDPR, Veris, admiralty, estimative language, document classification, and much more!"
+image: "img/carousel/galaxy.jpeg"

data/carousel/visualization.yaml

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+weight: 4
+title: "Visualization & Dashboards"
+description: "<p>Seeing helps understanding.</p><p>MISP comes with many visualization options helping analysts find the answers they are looking for."
+image: "img/carousel/visualization.png"