Implement historic message replay.

1 files changed, 7 insertions, 0 deletions

diff --git a/README.md b/README.md
index c787cc0..04fd6d5 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,13 @@ is encouraged, which could be linked to CrossLink with `psmb` protocol.
 
 ```json5
 {
+  "local": {
+    // when a player joins the game,
+    // show him recent messages sent before he has joined the server,
+    // which live no longer than this time.
+    // set a non-positive value to disable this feature
+    "message_playback_seconds": 600
+  },
   "remotes": [
     {
       "type": "telegram",