feat: created index pages for posts and recipes

recipes-index.njk

@@ -0,0 +1,34 @@
+---
+layout: base.njk
+title: All Recipes
+description: All recipes on Volpe.
+permalink: /recipes/
+---
+
+<h1>Recipes</h1>
+
+{% set hasRecipes = false %}
+{% for slug, recipeData in collections.recipesBySlug %}
+  {% if recipeData.newest %}
+    {% set hasRecipes = true %}
+  {% endif %}
+{% endfor %}
+
+{% if hasRecipes %}
+<ul class="post-list">
+  {% for slug, recipeData in collections.recipesBySlug %}
+    {% if recipeData.newest %}
+    <li>
+      <a href="/recipe/{{ slug }}/" class="post-card">
+        <h2>{{ recipeData.newest.data.title }}</h2>
+        {% if recipeData.newest.data.description %}
+        <p>{{ recipeData.newest.data.description }}</p>
+        {% endif %}
+      </a>
+    </li>
+    {% endif %}
+  {% endfor %}
+</ul>
+{% else %}
+<p>No recipes yet.</p>
+{% endif %}