feat: update flags reference

Signed-off-by: Alexander Trost <[email protected]>

content/1.getting-started/3.configuration/3.flags.md

@@ -18,6 +18,9 @@ Commands:
   worker [flags]
     Run FiveNet worker.
 
+  discord [flags]
+    Run FiveNet Discord bot.
+
 Run "fivenet <command> --help" for more information on a command.
 ```
 
@@ -52,5 +55,20 @@ Flags:
       --module-centrum-bot            Start Centrum bot module
       --module-centrum-housekeeper    Start Centrum Housekeeper module
       --module-user-tracker           Start User tracker module
-      --module-discord-bot            Start Discord bot module (disabled by default as it should be run separately)
+```
+
+## Discord
+
+```console
+$ fivenet discord --help
+Usage: fivenet discord [flags]
+
+Run FiveNet Discord bot.
+
+Flags:
+  -h, --help                  Show context-sensitive help.
+      --config=STRING         Alternative config file (env var: FIVENET_CONFIG_FILE)
+      --start-timeout=180s    App start timeout duration
+
+      --module-cron-agent     Run the cron agent.
 ```