docs(2a): document the #events channel

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: HandyS11

docs/development/running-locally.md

@@ -63,3 +63,8 @@ overwritten on every startup, so a normal run after the reset leaves only the cu
 5. In Development (`Workspace:EnableDangerCommands = true`), use
    `/workspace simulate-server name:<n> ip:<host> port:<port>` to create a server category, and
    `/workspace reset` to delete the whole workspace.
+
+Each provisioned server category also includes an `#events` channel, which receives live alerts for
+**cargo ship, patrol helicopter, and chinook** arrivals and departures. No new Discord gateway intent
+is required — event markers are detected by polling the Rust+ socket, not the Discord gateway; only the
+existing **Send Messages** and **Embed Links** permissions on the provisioned channel are used.