docs: Update example workdir with YAML

Signed-off-by: Minecon724 <git@m724.eu>

example_workdir/site-config.json

@@ -1,9 +0,0 @@
-{
-  "name": "my blog",
-  "baseUrl": "https://example.com",
-
-  "coolProperty": 1231,
-  "coolerProperty": {
-    "isMap": "yes"
-  }
-}

example_workdir/site-config.yml

@@ -0,0 +1,10 @@
+name: my blog
+baseUrl: https://example.com
+
+coolProperty: 1231
+coolerProperty:
+  isMap: true
+  aList:
+    - a value
+    - another value
+    - check out site-config.yml!

example_workdir/template/article_template.html

@@ -20,7 +20,12 @@
         <h1>{{ site.name }} - {{ site.custom.coolerProperty.get('isMap') }}</h1>
             <article>
                 <header>
-                    <h2><a href="">{{ article.title }}</a></h2>
+                    <h2>
+                        <a href="">{{ article.title }}</a>
+                        {% if article.draft %}
+                            <strong>DRAFT</strong>
+                        {% endif %}
+                    </h2>
                     <h4>{{ article.summary }}</h4>
                     <p>{{ article.createdAt | date("dd.MM.yyyy") }} by {{ article.createdBy }}</p>
 

example_workdir/template/index_template.html

@@ -19,5 +19,11 @@
             </article>
         </a>
         {% endfor %}
+
+        <ul>
+            {% for e in site.custom.coolerProperty.aList %}
+            <li>{{ e }}</li>
+            {% endfor %}
+        </ul>
     </body>
 </html>