cmidi2: add package (#2459)

packages/c/cmidi2/xmake.lua

@@ -0,0 +1,16 @@
+package("cmidi2")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/atsushieno/cmidi2")
+    set_description("header-only MIDI 2.0 UMP and MIDI-CI binary processor library")
+    set_license("MIT")
+
+    add_urls("https://github.com/atsushieno/cmidi2.git")
+    add_versions("2023.08.07", "8c7e2c218bb522bba6eabc6f55a6676e4a77138c")
+
+    on_install(function (package)
+        os.cp("cmidi2.h", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("cmidi2_ump_get_num_bytes", {includes = "cmidi2.h"}))
+    end)