add a hook for meetings

Author: davidlange6

_data/meetings.yml

@@ -0,0 +1,15 @@
+- date: 22 October 2020
+  time_cest: 18:00
+  connect: "[Link to zoom](https://princeton.zoom.us/j/98806538025?pwd=Mjlnb2cvemdYYTM4TDVWNUNTNUNDUT09)"
+  agenda:
+    - title: Update
+      speaker: Vassil
+      link:
+       url: no link yet
+       display: Slides
+    - title: Next meeting
+      speaker: Vassil
+      link:
+       url: Doodle
+       display: Doodle pool for week of November 30
+

_pages/meetings.md

@@ -0,0 +1,23 @@
+---
+title: "Project Meetings"
+layout: gridlay
+excerpt: "Project Meetings"
+sitemap: false
+permalink: /meetings/
+---
+
+
+# Project Meetings
+
+
+{% for meeting in site.data.meetings %}
+
+  <b>{{ meeting.date }} at {{meeting.time_cest}} CEST</b>  <br />
+  Connection information: {{meeting.connect}} <br />
+  Agenda:
+  <ul>
+  {% for item in meeting.agenda %}
+  <li> {{item.title}} (<em>{{item.speaker}} </em>): <a href="{{ item.link.url }}">{{ item.link.display }}</a> </li>
+  {% endfor %}
+  </ul>
+{% endfor %}