Completes #1120 but pending LM/JB review (don't merge until)

pages/visit/use-the-lab.html

@@ -71,6 +71,12 @@ <h3>Use of Scholars' Lab Spaces</h3>
 
 <p>Reservations for the presentation and VR spaces are available by appointment, with prior approval of Scholars’ Lab staff. If you have use requests or special event proposals, please send them to <a href="mailto:scholarslab@virginia.edu">scholarslab@virginia.edu</a>. Spaces may not be reserved for regular (semester-long) courses, student meetings, or group study.</p>
 
+<h4>Scholars' Lab Common Room Availability</h4>
+<p>The Scholars' Lab Common Room (Shannon 308) is a space dedicated to supporting digital scholarship, and as such will sometimes be closed to entry (i.e. no computer/equipment use, no study space, no traffic) for uses such as private digital scholarship-focused classes and events. At other times, the space will remain open to quiet use, but it may be noisy (e.g. public event taking place) and/or certain areas may be off-limits (e.g. if a class is being taught using the computers or VR space). Signs outside both entrances will indicate when entry is disallowed.</p>
+
+<p>To be sure the space or equipment will be available when you come by, please contact <a href="mailto:scholarslab@virginia.edu">ScholarsLab@Virginia.edu</a> and wait for a reply, which will generally come within 2 working days. You can also check the calendar below, which should display all times the Common Room will be closed, and many of the times it will be open but noisy and/or partially closed.</p>
+
+<iframe src="https://calendar.google.com/calendar/embed?height=600&wkst=1&ctz=America%2FNew_York&bgcolor=%23ffffff&showPrint=0&showCalendars=0&showTz=0&src=dHM5YWR2Y2FiYWFsOXM1NzI4bTN0N3Rzcm51dGhiZ2ZAaW1wb3J0LmNhbGVuZGFyLmdvb2dsZS5jb20&color=%23F6BF26" style="border-width:0" width="800" height="600" frameborder="0" scrolling="no"></iframe>
 
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 The text below is from the accessibility page, which links to this page for more info about directions etc.; wanted to include: