staging-server.md

+For testing new features and before updates we have set up a staging server #196 with LE certificates.
+
+```
+IP `65.109.196.157`
+staging.fairmeeting.net
+pro.staging.fairmeeting.net
+```
+
+## staging server amendments
+
+In `/etc/prosody/conf.avail/run.fairmeeting.net.cfg.lua`
+
+```
+-- STAGING - remove on prod
+http_default_host = "staging.fairmeeting.net"
+
+VirtualHost "run.fairmeeting.net"
+    http_host = "staging.fairmeeting.net"
+```
+
+in `/etc/jitsi/meet/brand/fairmeeting.net/fairmeeting.net-config.js`
+
+```
+  // Websocket URL
+  websocket: 'wss://staging.fairmeeting.net/xmpp-websocket',
+```
+same for pro - now committed to branch `staging` in `/etc/jitsi/meet` and branch `run` is fpr production.