Third-party notices for the Atlias site

1. Milky Way panorama (public/flight/milkyway-2400.webp and milkyway-1200.webp)
   "The Milky Way panorama", credit ESO/S. Brunier, European Southern Observatory,
   https://www.eso.org/public/images/eso0932a/
   Licence: Creative Commons Attribution 4.0 International (CC BY 4.0),
   https://creativecommons.org/licenses/by/4.0/
   Changes: resized to 2400 and 1200 pixels wide and converted to WebP.
   Source image: assets-src/milkyway/eso0932a-large.jpg (not published).
   The licence statement was read from the rights metadata embedded in the
   downloaded file. The ESO licence page could not be fetched at the time of
   writing (HTTP 503); re-check it before release.

2. Climate Crisis (public/fonts/ClimateCrisis-Variable.woff2)
   Copyright 2020 The Climate Crisis Project Authors. SIL Open Font License 1.1.
   Licence text: public/fonts/OFL-ClimateCrisis.txt

3. Schibsted Grotesk (public/fonts/SchibstedGrotesk-Variable.woff2)
   Copyright 2023 The Schibsted-Grotesk Project Authors. SIL Open Font License 1.1.
   Licence text: public/fonts/OFL-SchibstedGrotesk.txt

4. Martian Mono (public/fonts/MartianMono-Variable.woff2)
   Copyright 2021 The Martian Mono Project Authors. SIL Open Font License 1.1.
   Licence text: public/fonts/OFL-MartianMono.txt