docs(lobby_deactivate): README

lobby_deactivate/README.md

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+# Lobby Deactivate
+
+This plugin deactivates the lobby after the first join.
+
+It is expected to be used with [lobby_autostart](../lobby_autostart). It keeps
+the lobby active for unauthorized users but deactivates it when an authorized
+user joins the meeting.
+
+## Installation
+
+- Copy this script to the Prosody plugins folder. It's the following folder on
+  Debian
+
+  ```bash
+  cd /usr/share/jitsi-meet/prosody-plugins/
+  wget -O mod_lobby_deactivate.lua https://raw.githubusercontent.com/jitsi-contrib/prosody-plugins/main/mod_lobby_deactivate/mod_lobby_deactivate.lua
+  ```
+
+- Enable module in your prosody config.
+
+  _/etc/prosody/conf.d/meet.mydomain.com.cfg.lua_
+
+  ```lua
+  Component "conference.meet.mydomain.com" "muc"
+    modules_enabled = {
+      ...
+      ...
+      "lobby_deactivate";
+    }
+  ```
+
+- Restart the services
+
+  ```bash
+  systemctl restart prosody.service
+  systemctl restart jicofo.service
+  ```
+
+## Sponsors
+
+[![Nordeck](/images/nordeck.png)](https://nordeck.net/)