add featured projects to homepage

README.md

@@ -1,7 +1,22 @@
 ---
 layout: page
 permalink: /
+featured_projects: 
+  - link: /projects/sidewalks/
 ---
 # MapRVA
 
 We are a group of mapping enthusiasts in Richmond, Virginia who work to create and share geospatial data of our city using [OpenStreetMap](https://openstreetmap.org).
+
+## Featured Projects
+
+{::nomarkdown}
+{% assign subitems="" | split: ',' -%}
+{% for link in page.featured_projects %}
+  {% assign item=site.pages | find: "url", link.link %}
+  {%- if item -%}
+    {%- assign subitems=subitems | push: item -%}
+  {%- endif %}
+{% endfor %}
+{% include item_list.html items=subitems %}
+{:/nomarkdown}