docs: fix typo (trhead -> thread) in Plugin Configuration (#470)

Co-authored-by: Almeida <github@almeidx.dev>

Author: rubyowo

dashboard/src/components/docs/PluginConfiguration.vue

@@ -54,7 +54,7 @@
                 - channel: "109672661671505920"
                   config:
                     can_kick: false
-                # Don't allow kicking on any trhead
+                # Don't allow kicking on any thread
                 - is_thread: true
                   config:
                     can_kick: false