Rewrite food apps, new feature some changes to model

apps/food/templates/food/food_update.html

@@ -0,0 +1,21 @@
+{% extends "base.html" %}
+{% comment %}
+Copyright (C) by BDE ENS Paris-Saclay
+SPDX-License-Identifier: GPL-3.0-or-later
+{% endcomment %}
+{% load i18n crispy_forms_tags %}
+
+{% block content %}
+<div class="card bg-white mb-3">
+  <h3 class="card-header text-center">
+    {{ title }}
+  </h3>
+  <div class="card-body" id="form">
+    <form method="post">
+      {% csrf_token %}
+      {{ form | crispy }}
+      <button class="btn btn-primary" type="submit">{% trans "Submit"%}</button>
+    </form>
+  </div>
+</div>
+{% endblock %}