Added allprojects.njk that lists all projecs (pagination), added contributing.md that has instructinos about adding your project to neoBeta, added errors template and 404 page, moved projects metadata to json file.

allprojects.njk

@@ -0,0 +1,37 @@
+---
+layout: base.njk
+pagination:
+  data: collections.projects
+  size: 10
+  alias: paginatedProjects
+---
+<ul style="display: flex; flex-direction: column; gap: 1em;">
+  {% for project in paginatedProjects %}
+    <div class="searchItem">
+      <p>
+        {% if project.data.logo %}
+          <img float="left" class="searchItemImage" src="{{ project.url }}{{ project.data.logo }}">
+        {% endif %}
+        <a class="searchItemTitle" href="{{ project.url }}">{{ project.data.name }}</a>
+        {% if project.data.author %}
+          by <a href="/authors/{{ project.data.author }}">{{ project.data.author }}</a>
+        {% endif %}
+      </p>
+      <p class="searchItemDescription">{{ project.data.subtitle }}</p>
+      <div class="searchItemTagHolder">
+        {% for tag in project.data.tags %}
+          <div class="tag-{{ tag }}">{{ tag }}</div>
+        {% endfor %}
+      </div>
+    </div>
+  {% endfor %}
+</ul>
+
+<nav>
+  {% if pagination.href.previous %}
+    <a href="{{ pagination.href.previous }}">Prev</a>
+  {% endif %}
+  {% if pagination.href.next %}
+    <a href="{{ pagination.href.next }}">Next</a>
+  {% endif %}
+</nav>