add bootstrap script

service/bootstrap.lua

@@ -0,0 +1,13 @@
+local skynet = require "skynet"
+
+skynet.start(function()
+	local launcher = assert(skynet.launch("snlua launcher"))
+	skynet.name(".launcher", launcher)
+
+	if skynet.getenv "standalone" then
+		local smgr = assert(skynet.newservice "service_mgr")
+		skynet.name("SERVICE", smgr)
+	end
+	assert(skynet.newservice(skynet.getenv "start" or "main"))
+	skynet.exit()
+end)