add a markdown source field to recipe

comfyrecipes/templates/recipe.html

@@ -17,6 +17,7 @@
 {{getrecipe(subrecipe)}}
 {% endfor %}
 <h1>{{rec.title}}</h1>
+{% if rec.source != None %}source: {{rec.source.html|safe}}{%endif%}
 {% if rec.ingredients|length != 0 %}
 <h3>Ingredients</h3>
 {% for ing in rec.ingredients %}