UI Navigation: Move Training after Films.

So we have categories listing grouped together (Training/Libraries/Services).

src/templates/_macros/_navigation.pug

@@ -20,16 +20,16 @@ button.navbar-toggler(
 		href="{{ url_for('main.homepage') }}")
 		i.pi-blender-cloud-logo
 
-	+nav-secondary-link(
-		href="{{ url_for('cloud.learn') }}",
-		class="{% if title in ('learn', 'courses', 'workshops') %}active{% endif %}")
-		span Training
-
 	+nav-secondary-link(
 		href="{{ url_for('cloud.open_projects') }}",
 		class="{% if title == 'open-projects' %}active{% endif %}")
 		span Films
 
+	+nav-secondary-link(
+		href="{{ url_for('cloud.learn') }}",
+		class="{% if title in ('learn', 'courses', 'workshops') %}active{% endif %}")
+		span Training
+
 	+nav-secondary-link(
 		href="{{ url_for('cloud.libraries') }}",
 		class="{% if title == 'libraries' %}active{% endif %}")