docs: change index

Author: felipecesr

lessons/_config.yml

@@ -1,6 +1,5 @@
 collections:
   lessons:
     output: true
-    permalink: /:collection/:name
     order:
       - what-is-a-test.md

lessons/index.html

@@ -3,10 +3,13 @@
 title: Unit Testing React
 ---
 
-<ul>
-  {% for lesson in site.lessons %}
-  <li>
-    <a href="{{ lesson.url }}">{{ lesson.title }}</a> - {{ lesson.description }}
-  </li>
-  {% endfor %}
-</ul>
+<h1>Lessons</h1>
+<hr>
+{% for lesson in site.lessons %}
+<h2>
+  <a href="{{ lesson.url }}">
+    {{ lesson.name }} - {{ lesson.position }}
+  </a>
+</h2>
+<p>{{ lesson.content | markdownify }}</p>
+{% endfor %}