chore(build): Add Rockspec template to simplify releases

Author: alerque

fluent.rockspec.in

@@ -0,0 +1,39 @@
+rockspec_format = "3.0"
+package = "fluent"
+version = "@SEMVER@-@ROCKREV@"
+
+source = {
+   url = "git://github.com/alerque/fluent-lua.git",
+   tag = "@TAG@"
+}
+
+description = {
+   summary = "Lua implementation of Project Fluent",
+   detailed = [[
+      A Lua port of Project Fluent, a localization paradigm designed to unleash
+	  the entire expressive power of natural language translations.
+   ]],
+   license = "MIT",
+   homepage = "https://github.com/alerque/fluent-lua",
+   issues_url = "https://github.com/alerque/fluent-lua/issues",
+   maintainer = "Caleb Maclennan <[email protected]>",
+   labels = { "i18n" }
+}
+
+dependencies = {
+   "lua",
+   "cldr",
+   "luaepnf",
+   "penlight"
+}
+
+build = {
+   type = "builtin",
+   modules = {
+      ["fluent.init"] = "fluent/init.lua",
+      ["fluent.messages"] = "fluent/messages.lua",
+      ["fluent.parser"] = "fluent/parser.lua",
+      ["fluent.resource"] = "fluent/resource.lua",
+      ["fluent.syntax"] = "fluent/syntax.lua"
+   }
+}