add netlify contact form for testing

_includes/contact-form.html

+<form name="contact" method="POST" data-netlify="true">
+  <p>
+    <label>Your Name: <input type="text" name="name" /></label>   
+  </p>
+  <p>
+    <label>Your Email: <input type="email" name="email" /></label>
+  </p>
+  <p>
+    <label>sujet: <select name="subject[]" multiple>
+      <option value="leader">adhésion</option>
+      <option value="follower">infos</option>
+    </select></label>
+  </p>
+  <p>
+    <label>Message: <textarea name="message"></textarea></label>
+  </p>
+  <p>
+    <button type="submit">Send</button>
+  </p>
+</form>

_pages/l-asso/contacts.md

@@ -87,3 +87,5 @@ Association loi 1901 à but non lucratif [Statuts](/ccl/statuts/){: .btn
 
 ## Fonctionnement `luminy.org`
 Voir [<i class="fab fa-github" aria-hidden="true"></i> Github]({{ urls.github-ccl }}/blob/master/README.md#fonctionnement-du-site-pour-les-plus-motivés){: .btn .btn--inverse}
+
+{% include contact-form.html %}