Update game-settings.md

Add description for environment variable SHOW_PLAYER_LIST.

docusaurus/docs/getting-started/configuration/game-settings.md

@@ -81,6 +81,7 @@ For example:
 | REGION                                    | Region                                                         |                                                                                              | String                                 |
 | USEAUTH                                   | Use authentication                                             | True                                                                                         | Boolean                                |
 | BAN_LIST_URL                              | Which ban list to use                                          | [https://api.palworldgame.com/api/banlist.txt](https://api.palworldgame.com/api/banlist.txt) | string                                 |
+| SHOW_PLAYER_LIST                          | Enable show player list                                        | True                                                                                         | Boolean                                |
 | TARGET_MANIFEST_ID | Locks game version to corespond with Manfiest ID from Steam Download Depot. | | See [Manifest ID Table](https://palworld-server-docker.loef.dev/guides/pinning-game-version) |
 | ENABLE_PLAYER_LOGGING      | Enables Logging and announcing when players join and leave | true         | true/false |
 | PLAYER_LOGGING_POLL_PERIOD          | Polling period (in seconds) to check for players who have joined or left | 5                      | !0 |