plf_colony: add package (#2523)

packages/p/plf_colony/xmake.lua

@@ -0,0 +1,21 @@
+package("plf_colony")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://plflib.org/colony.htm")
+    set_description("An unordered C++ data container providing fast iteration/insertion/erasure while maintaining pointer/iterator validity to non-erased elements regardless of insertions/erasures. Provides higher-performance than std:: library containers for high-modification scenarios with unordered data.")
+    set_license("zlib")
+
+    add_urls("https://github.com/mattreecebentley/plf_colony.git")
+    add_versions("2023.08.25", "394c787ecf5a541b66d08b90f22cebc954f0599c")
+
+    on_install(function (package)
+        os.cp("plf_colony.h", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <plf_colony.h>
+            void test() {
+                plf::colony<int> i_colony;
+            }
+        ]]}, {configs = {languages = "c++17"}}))
+    end)