Add CMake, Ninja, and Conan support with kernel modules (GDT, interrupts)

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

tests/unit/CMakeLists.txt

@@ -0,0 +1,23 @@
+# MetalOS Unit Tests CMakeLists
+
+# Test sources
+set(TEST_SOURCES
+    test_bootloader.c
+)
+
+# Create test executable for each test file
+foreach(test_src ${TEST_SOURCES})
+    get_filename_component(test_name ${test_src} NAME_WE)
+    
+    add_executable(${test_name} ${test_src})
+    
+    # Link with test framework (if needed)
+    target_include_directories(${test_name} PRIVATE
+        ${CMAKE_SOURCE_DIR}/tests/include
+        ${CMAKE_SOURCE_DIR}/bootloader/include
+        ${CMAKE_SOURCE_DIR}/kernel/include
+    )
+    
+    # Add as test
+    add_test(NAME ${test_name} COMMAND ${test_name})
+endforeach()