docs: update footer

Reduce the footer that appears on every page; keep a vanity link to Antora and
add a small aphorism to make the flexbox justify out the content :)

diff --git a/doc_site/supplemental-ui/partials/footer-content.hbs b/doc_site/supplemental-ui/partials/footer-content.hbs
new file mode 100644 (file)
index 0000000..fc930b2
--- /dev/null
+++ b/doc_site/supplemental-ui/partials/footer-content.hbs
@@ -0,0 +1,6 @@
+<footer class="footer">
+ <div style="display:flex; justify-content: space-between;">
+  <div>Made with ❤️ by the dracut community</div>
+  <div>This site is built with <a href="https://antora.org/">Antora</a>.</div>
+ </div>
+</footer>