chore: add cmake find_package test

tests/cmake/find_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+# This project is licensed under the MIT license. For more information see the
+# LICENSE file.
+cmake_minimum_required(VERSION 3.25)
+
+find_package(maddy REQUIRED)
+
+add_executable(maddy_find_package_example main.cpp)
+target_link_libraries(maddy_find_package_example PRIVATE maddy::maddy)

tests/cmake/find_package/main.cpp

@@ -0,0 +1,25 @@
+/*
+ * This project is licensed under the MIT license. For more information see the
+ * LICENSE file.
+ *
+ * This file is a tiny example project to test if find_package works correctly.
+ */
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+
+#include "maddy/parser.h"
+
+int main(int argc, char** argv)
+{
+  std::shared_ptr<maddy::Parser> parser = std::make_shared<maddy::Parser>();
+
+  std::stringstream markdownStream;
+  markdownStream << "# Hello World\n"
+                 << "This is a **bold** text and this is *italic* text.\n";
+
+  std::cout << parser->Parse(markdownStream) << std::endl;
+
+  return 0;
+}