Add zsh completion for 'docker-compose events'

Signed-off-by: Steve Durrheimer <[email protected]>

contrib/completion/zsh/_docker-compose

@@ -203,6 +203,12 @@ __docker-compose_subcommand() {
                 '(--quiet -q)'{--quiet,-q}"[Only validate the configuration, don't print anything.]" \
                 '--services[Print the service names, one per line.]' && ret=0
             ;;
+        (events)
+            _arguments \
+                $opts_help \
+                '--json[Output events as a stream of json objects.]' \
+                '*:services:__docker-compose_services_all' && ret=0
+            ;;
         (help)
             _arguments ':subcommand:__docker-compose_commands' && ret=0
             ;;