feat: add RenderDocCapture to Debug module for frame capture debugging

- Add RenderDocCapture class for dynamic loading of renderdoc.dll
- Support BeginCapture/EndCapture/TriggerCapture APIs
- Add RenderDoc log category
- Add unit tests for RenderDocCapture in tests/debug

tests/debug/CMakeLists.txt

@@ -3,6 +3,7 @@ find_package(GTest REQUIRED)
 add_executable(debug_tests
     test_logger.cpp
     test_profiler.cpp
+    test_renderdoc_capture.cpp
 )
 
 target_link_libraries(debug_tests
@@ -12,5 +13,11 @@ target_link_libraries(debug_tests
     GTest::gtest_main
 )
 
+add_custom_command(TARGET debug_tests POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+        ${CMAKE_SOURCE_DIR}/engine/third_party/renderdoc/renderdoc.dll
+        $<TARGET_FILE_DIR:debug_tests>/
+)
+
 include(GoogleTest)
 gtest_discover_tests(debug_tests)