wyhash: add package (#2633)

packages/w/wyhash/xmake.lua

@@ -0,0 +1,17 @@
+package("wyhash")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/wangyi-fudan/wyhash")
+    set_description("The FASTEST QUALITY hash function, random number generators (PRNG) and hash map.")
+    set_license("Unlicense")
+
+    add_urls("https://github.com/wangyi-fudan/wyhash.git")
+    add_versions("2023.04.10", "77e50f267fbc7b8e2d09f2d455219adb70ad4749")
+
+    on_install(function (package)
+        os.cp("old_versions", package:installdir("include"))
+        os.cp("*.h", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("wyhash", {includes = "wyhash.h"}))
+    end)