add templates lib

Author: Sunrisepeak

.gitignore

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+.xmake
+build

README.md

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 # mcpplibs-index
+
 mcpplibs index
+
+## How to use?
+
+```lua
+-- 0 - Add mcpplibs's index repos
+add_repositories("mcpplibs-index git@github.com:mcpplibs/mcpplibs-index.git")
+
+-- 1 - Add the libraries and versions you need
+add_requires("mcpplibs-index@templates 0.0.1")
+
+target("templates_test")
+    set_kind("binary")
+    set_languages("c++23")
+    add_files("main.cpp")
+    -- 2 - Use it
+    add_packages("mcpplibs-index@templates")
+    set_policy("build.c++.modules", true)
+```

packages/t/templates/xmake.lua

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+package("templates")
+
+    --set_kind("library", {headeronly = true})
+
+    set_homepage("https://github.com/mcpplibs/templates")
+    set_description("A template of modern C++ `modules` libraries")
+    set_license("Apache-2.0")
+
+    add_urls(
+        -- https://github.com/mcpplibs/templates/archive/refs/tags/0.0.1.tar.gz
+        "https://github.com/mcpplibs/templates/archive/refs/tags/$(version).tar.gz",
+        "https://github.com/mcpplibs/templates.git"
+    )
+
+    add_versions("0.0.1", "f0833b18f9919ee187b8c63f8a47d1eb71382cb662805529a5e6ce1804b5335a")
+
+    on_install(function (package)
+        import("package.tools.xmake").install(package)
+    end)

tests/t/templates/main.cpp

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+// more-details: https://github.com/mcpplibs/templates
+import mcpplibs.templates;
+
+auto main() -> int {
+    mcpplibs::hello_mcpp();
+}

tests/t/templates/xmake.lua

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+add_repositories("mcpplibs-index git@github.com:mcpplibs/mcpplibs-index.git")
+
+add_requires("templates 0.0.1")
+--add_requires("mcpplibs-index::templates 0.0.1") -- TODO: impl prefix support in xmake
+
+target("templates_test")
+    set_kind("binary")
+    set_languages("c++23")
+    add_files("main.cpp")
+    add_packages("templates")
+    set_policy("build.c++.modules", true)