add new rockspec file

rockspec/nats-0.0.4-1.rockspec

@@ -0,0 +1,35 @@
+package = "nats"
+version = "0.0.4-1"
+
+source = {
+   url = "git://github.com/PowerDNS/lua-nats.git",
+   tag = "0.0.4"
+}
+
+description = {
+   summary = "LUA client for NATS messaging system. https://nats.io/",
+   detailed = [[
+      LUA client for NATS messaging system. https://nats.io/
+      Fork of the original implementation https://github.com/DawnAngel/lua-nats/
+      by Eric Pinto <https://github.com/DawnAngel/>
+   ]],
+   homepage = "https://github.com/PowerDNS/lua-nats/",
+   maintainer = "PowerDNS.com B.V.<https://www.powerdns.com/>",
+   license = "MIT"
+}
+
+dependencies = {
+   "lua >= 5.1",
+   "luasocket",
+   "lua-cjson",
+   "uuid"
+}
+
+build = {
+   type = "none",
+   install = {
+      lua = {
+         "src/nats.lua"
+      }
+   }
+}