Add new feature alert to dashboard

[nabramow]

Thought this would draw more attention to when we release new features worth noting to draw users' attention to them.

Web frontend checklist

• [ x ] Formatted my code with yarn format
• [ x ] There are no warnings from yarn lint --fix
• [ x ] There are no console warnings when running the app
• Added tests where relevant
• All tests pass
• [ x ] Clicked around my changes running locally and it works
• [ x ] Checked Desktop, Mobile and Tablet screen sizes

[vercel]

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Name	Status	Preview	Updated (UTC)
couchers	✅ Ready (Inspect)	Visit Preview	Feb 22, 2025 11:59pm

[aapeliv]

• There's a weird amount of padding inside the blue box under the text?
• Also, do you think it would take a lot to make it read the text from some kind of markdown file (or even just html) so it's much easier for devs to update it?