chore: update footer text color

Author: elpiel

templates/partials/footer.html

@@ -1,6 +1,6 @@
-<footer class="pt-3 mt-3 text-muted">
+<footer class="pt-3 mt-3 text-gray-300">
     <p class="text-center mb-0 pt-2 border-top">&copy; {{ now(utc=true) | date(format="%Y") }} Lechev.space Ltd</p>
     <p class="text-center fst-italic">Earth image in the logo is licensed under
         <a href="https://github.com/mozilla/fxemoji/blob/gh-pages/LICENSE.md#license-for-the-visual-design">CC BY 4.0</a>
     </p>
-</footer>
+</footer>