Move secondary navigation rendering to a macro

src/templates/projects/_macros.pug

@@ -0,0 +1,36 @@
+| {% macro render_secondary_navigation(project, pages=None) %}
+nav.navbar-secondary
+	.navbar-container
+		nav.collapse.navbar-collapse
+			ul.nav.navbar-nav.navbar-right
+				li
+					a.navbar-item(
+						href="{{ url_for('projects.view', project_url=project.url) }}",
+						title="{{ project.name }} Homepage")
+						span
+							b {{ project.name }}
+				li
+					a.navbar-item(
+					href="{{ url_for('main.project_blog', project_url=project.url) }}",
+					title="Project Blog",
+					class="{% if category == 'blog' %}active{% endif %}")
+						span Blog
+				| {% if pages %}
+				| {% for p in pages %}
+				li
+					a.navbar-item(
+					href="{{ url_for('projects.view_node', project_url=project.url, node_id=p._id) }}",
+					title="{{ p.name }}",
+					class="{% if category == 'page' %}active{% endif %}")
+						span {{ p.name }}
+				| {% endfor %}
+				| {% endif %}
+				| {% if project.nodes_featured %}
+				li
+					a.navbar-item(
+					href="{{ url_for('projects.view_node', project_url=project.url, node_id=project.nodes_featured[0]) }}",
+					title="Explore {{ project.name }}",
+					class="{% if category == 'blog' %}active{% endif %}")
+						span Explore
+				| {% endif %}
+| {% endmacro %}