Load rooms over an AJAX call in the dashboard

Signed-off-by: Max Fierke <max@maxfierke.com>
Bootstrap the application with an admin user and group.

Signed-off-by: Max Fierke <max@maxfierke.com>
Add installation documentation

Signed-off-by: Max Fierke <max@maxfierke.com>
Add screenshot to readme

Signed-off-by: Max Fierke <max@maxfierke.com>