docs: update docs and footnote styles

assets/css/compiled/main.css

@@ -320,6 +320,10 @@
   --tw-text-opacity: 1;
   color: rgb(156 163 175 / var(--tw-text-opacity));
 }
+  .content .footnotes {
+  margin-top: 3rem;
+  font-size: .875rem;
+}
 
 .subheading-anchor {
   opacity: 0;

assets/css/typography.css

@@ -83,6 +83,9 @@
       @apply text-sm text-gray-500 dark:text-gray-400 mt-2 block text-center;
     }
   }
+  .footnotes {
+    @apply mt-12 text-sm;
+  }
 }
 
 .subheading-anchor {