docs: Fix some site weirdness

Fixes #2117

docs/nav-guides.md

@@ -1,7 +1,9 @@
-- Tutorials
-	- [Installation](installation.md)
+- Getting Started
 	- [Introduction](index.md)
+	- [Installation](installation.md)
 	- [Tutorial](simple-application.md)
+	- [Learning Resources](learning-mithril.md)
+	- [Getting Help](support.md)
 - Resources
 	- [JSX](jsx.md)
 	- [ES6](es6.md)
@@ -9,8 +11,7 @@
 	- [Animation](animation.md)
 	- [Testing](testing.md)
 	- [Examples](examples.md)
-	- [Integrating with Other Libraries](integrating-libs.md)
-	- [Learning Mithril](learning-mithril.md)
+	- [3rd Party Integration](integrating-libs.md)
 - Key concepts
 	- [Vnodes](vnodes.md)
 	- [Components](components.md)