tweeny: add package (#2518)

packages/t/tweeny/xmake.lua

@@ -0,0 +1,22 @@
+package("tweeny")
+    set_kind("library", {headeronly = true})
+    set_homepage("http://mobius3.github.io/tweeny")
+    set_description("A modern C++ tweening library")
+    set_license("MIT")
+
+    add_urls("https://github.com/mobius3/tweeny.git")
+
+    add_versions("2023.05.09", "56aab8d0f9ee516c7b6014ba5212b5551efb590e")
+
+    on_install(function (package)
+        os.cp("include", package:installdir())
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <tweeny.h>
+            void test() {
+                auto helloworld = tweeny::from('h','e','l','l','o').to('w','o','r','l','d').during(50);
+            }
+        ]]}, {configs = {languages = "c++11"}}))
+    end)