Formattierung mithilfe von clang-format

.gitlab/ci/code-formatting-ci.yml

editor/src/CenterGrid.cpp

editor/src/CenterGrid.hpp

editor/src/Config.cpp

editor/src/ConfigSection.tcc

editor/src/EditorApp.cpp

editor/src/EditorApp.hpp

editor/src/GridItem.cpp

editor/src/GridItem.hpp

editor/src/HDF5Handler.cpp

editor/src/HDF5Handler.hpp

editor/src/MainWindow.cpp

editor/src/MainWindow.hpp

editor/src/ObjectConfig.cpp

editor/src/StartupDialog.cpp

editor/src/StartupDialog.hpp

editor/src/TileBar.cpp

editor/src/TileBar.hpp

editor/src/TileConfig.cpp

editor/src/main.cpp