Add the project layout template and update all projects

_layouts/project.html

@@ -0,0 +1,12 @@
+---
+layout: default
+---
+
+<div class="project-header">
+    <div class="breadcrumb-wrapper">
+        <a href="/projects">All projects</a>
+    </div>
+    <h1>{{ page.title }}</h1>
+</div>
+
+{{ content }}