Update Docs with iframe navigation (#6440)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

docs/overrides/javascript/extra.js

@@ -59,3 +59,11 @@ if (autoThemeInput) {
     }
   });
 }
+
+// Add iframe navigation
+window.onhashchange = function() {
+    window.parent.postMessage({
+        type: 'navigation',
+        hash: window.location.pathname + window.location.search + window.location.hash
+    }, '*');
+};

docs/overrides/stylesheets/style.css

@@ -43,3 +43,8 @@ div.highlight {
 .md-grid {
   max-width: 1440px;
 }
+
+/* Language dropdown selector (default is shorter 200px in length) */
+body .md-select__inner {
+    max-height: 500px !important;
+}