Add dummy ui

src/core/CMakeLists.txt

@@ -0,0 +1,10 @@
+set(target project_core)
+
+add_library(${target}
+    core.cpp
+    core.hpp
+)
+
+target_compile_features(${target} PRIVATE cxx_std_23)
+
+# target_link_libraries(${target} PRIVATE)

src/core/core.cpp

@@ -0,0 +1 @@
+#include "core.hpp"

src/core/core.hpp

@@ -0,0 +1,14 @@
+#ifndef CORE_HPP
+#define CORE_HPP
+
+namespace core {
+
+class Core {
+public:
+  Core() = default;
+  ~Core() = default;
+};
+
+} // namespace core
+
+#endif