add guilite (#629)

* add guilite

* add constraint for guilite

packages/g/guilite/xmake.lua

@@ -0,0 +1,25 @@
+package("guilite")
+
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/idea4good/GuiLite")
+    set_description("The smallest header-only GUI library (4 KLOC) for all platforms.")
+    set_license("Apache-2.0")
+
+    add_urls("https://github.com/idea4good/GuiLite/archive/refs/tags/$(version).zip",
+             "https://github.com/idea4good/GuiLite.git")
+    add_versions("v2.1", "53363a5e3a053708b3e081510134fca9bfc635cfdbc9ce01da1ea6ae7e5ba8bc")
+
+    on_install("windows", "macosx", "linux", "mingw", "android", "iphoneos", function (package)
+        os.cp("GuiLite.h", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #define GUILITE_ON
+            #include <GuiLite.h>
+            void test() {
+                c_surface_no_fb surface_no_fb(640, 480, 2, NULL, Z_ORDER_LEVEL_0);
+                c_display display(NULL, 640, 480, &surface_no_fb);
+            }
+        ]]}, {configs = {languages = "c++11"}}))
+    end)