CryptoX Android – Add news (first iteration)

[Radiokot]

Add the "News" section based on concordium.com articles RSS feed. In the first iteration, it is just a list of article cards and each article is opened in the default browser.

Useful links:

• Design: https://www.figma.com/design/2q2Rdmt5FuR0Pi0p6aRPDX/Mobile-Wallet-Master?node-id=2109-18677&t=7JXH35pHN2a8AVQF-1
• Parsing XML: XML Serialization and Deserialization with Jackson | Baeldung
• Sample RSS feed: concordium-4926ab-5553023-28e7dbd644046.webflow.io/article/rss.xml
• The corresponding web page: News (concordium-4926ab-5553023-28e7dbd644046.webflow.io)