refactor: cleanup project. ready for refactor.

- remove all old code
- build directory hierarchy, add basic cmake scripts.

CMakeLists.txt

@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.23)
+project(VirtoolsSchematicWeaver
+    VERSION 2.0.0
+    LANGUAGES CXX
+)
+
+# Provide options
+option(VSW_BUILD_MATERIALIZER "Build Materializer part of Virtools Schematic Weaver." ON)
+option(VSW_BUILD_DECORATOR "Build Decorator part of Virtools Schematic Weaver" ON)
+
+# Setup install path
+include(GNUInstallDirs)
+set(VSW_INSTALL_BIN_PATH ${CMAKE_INSTALL_BINDIR} CACHE PATH
+"Binary install path relative to CMAKE_INSTALL_PREFIX unless set to an absolute path.")
+
+# Import shared library and essential library
+if (VSW_BUILD_MATERIALIZER OR VSW_BUILD_DECORATOR)
+    # Import YYCC and sqlite because all project use them
+    include(${CMAKE_CURRENT_LIST_DIR}/cmake/custom_import_yycc.cmake)
+    include(${CMAKE_CURRENT_LIST_DIR}/cmake/custom_import_sqlite.cmake)
+    # Import shared library
+    add_subdirectory(shared)
+endif ()
+# Import build targets
+if (VSW_BUILD_MATERIALIZER)
+    add_subdirectory(materializer)
+endif ()
+if (VSW_BUILD_DECORATOR)
+    add_subdirectory(decorator)
+endif ()