itlib: add package (#2893)

packages/i/itlib/xmake.lua

@@ -0,0 +1,23 @@
+package("itlib")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/iboB/itlib")
+    set_description("A collection of std-like single-header C++ libraries")
+    set_license("MIT")
+
+    add_urls("https://github.com/iboB/itlib/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/iboB/itlib.git")
+
+    add_versions("v1.10.3", "e533c44354d48b2251ca57f1502778033b38170d9d6aba6bb2bbad90f2bf9d27")
+
+    on_install(function (package)
+        os.cp("include", package:installdir())
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <itlib/static_vector.hpp>
+            void test() {
+                itlib::static_vector<int, 10> ivec;
+            }
+        ]]}, {configs = {languages = "c++11"}}))
+    end)