add asio2 (#2895)

* add asio2

* Update xmake.lua

* Update xmake.lua

* Update xmake.lua

* Update xmake.lua

---------

Co-authored-by: ruki <[email protected]>

packages/a/asio2/xmake.lua

@@ -0,0 +1,25 @@
+package("asio2")
+
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/zhllxt/asio2")
+    set_description("Header only c++ network library, based on asio, support tcp,udp,http,websocket,rpc,ssl,icmp,serial_port.")
+    set_license("BSL-1.0")
+
+    add_urls("https://github.com/zhllxt/asio2.git")
+    add_versions("2023.05.09", "ac8c79964d79020091e38fcbb4ae9dccccb3b03c")
+
+    add_deps("asio", "cereal", "fmt", "openssl3")
+    add_deps("spdlog", { configs = { header_only = false, fmt_external = true } })
+
+    on_install("windows", "linux", "macosx", "mingw", "bsd", function (package)
+        os.cp(path.join("include", "*"), package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <asio2/asio2.hpp>
+            void test() {
+                asio2::tcp_server server;
+            }
+        ]]}, {configs = {languages = "c++17"}}))
+    end)