xorstr: add package (#4453)

* xorstr: add package

* limit plat

packages/x/xorstr/xmake.lua

@@ -0,0 +1,24 @@
+package("xorstr")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/JustasMasiulis/xorstr")
+    set_description("heavily vectorized c++17 compile time string encryption.")
+    set_license("Apache-2.0")
+
+    add_urls("https://github.com/JustasMasiulis/xorstr/archive/8ab293225374e16cbae9a54b6a1bed3ee0bf9681.tar.gz",
+             "https://github.com/JustasMasiulis/xorstr.git")
+
+    add_versions("2021.11.19", "b52220a50c33f8b13e6aaa2fcd14f31a44d96ba721b014ab921c30b5e3cb61eb")
+
+    on_install("!cross and !wasm and mingw|!i386", function (package)
+        os.cp("include", package:installdir())
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #define JM_XORSTR_DISABLE_AVX_INTRINSICS
+            #include <xorstr.hpp>
+            void test() {
+                xorstr_("hello world");
+            }
+        ]]}, {configs = {languages = "c++17"}}))
+    end)