prosodyctl: add page (#1382)

pages/common/prosodyctl.md

@@ -0,0 +1,23 @@
+# prosodyctl
+
+> The control tool for the Prosody XMPP server.
+
+- Show the status of the Prosody server:
+
+`sudo prosodyctl status`
+
+- Reload the server's configuration files:
+
+`sudo prosodyctl reload`
+
+- Add a user to the Prosody XMPP server:
+
+`sudo prosodyctl adduser {{user@example.com}}`
+
+- Set a user's password:
+
+`sudo prosodyctl passwd {{user@example.com}}`
+
+- Permanently delete a user:
+
+`sudo prosodyctl deluser {{user@example.com}}`