generate_cmake_graphviz.md

Generate CMake Graphviz library dependency

Core BuildCC dependency

# Generate BUILDCC_TESTING=OFF
cmake -B _build_graphviz_win --graphviz=_build_graphviz_win/graph.dot
dot -Tpng _build_graphviz_win/graph.dot -o buildcc_core_dep.PNG

Core BuildCC and Test dependencies

cmake -B _build_graphviz_gcc -G Ninja -DBUILDCC_TESTING=ON --graphviz=_build_graphviz_gcc/graph_gcc.dot
dot -Tpng _build_graphviz_gcc/graph_gcc.dot -o buildcc_dep_with_tests.PNG