[cleanup] Update CMakeLists.

dumux/experimental/CMakeLists.txt

 # SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+add_subdirectory(assembly)
 add_subdirectory(common)
 add_subdirectory(discretization)
 add_subdirectory(timestepping)

dumux/experimental/assembly/CMakeLists.txt

+# SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+file(GLOB DUMUX_EXPERIMENTAL_ASSEMBLY_HEADERS *.hh *.inc)
+install(FILES ${DUMUX_EXPERIMENTAL_ASSEMBLY_HEADERS}
+        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dumux/experimental/assembly)

dumux/multidomain/CMakeLists.txt

@@ -2,11 +2,11 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 add_subdirectory(boundary)
+add_subdirectory(dualnetwork)
 add_subdirectory(embedded)
 add_subdirectory(facet)
 add_subdirectory(freeflow)
 add_subdirectory(io)
-add_subdirectory(dualnetwork)
 
 file(GLOB DUMUX_MULTIDOMAIN_HEADERS *.hh *.inc)
 install(FILES ${DUMUX_MULTIDOMAIN_HEADERS}

dumux/porenetwork/CMakeLists.txt

@@ -5,8 +5,8 @@ add_subdirectory(1p)
 add_subdirectory(1pnc)
 add_subdirectory(2p)
 add_subdirectory(common)
-add_subdirectory(util)
 add_subdirectory(solidenergy)
+add_subdirectory(util)
 
 file(GLOB DUMUX_PORENETWORK_HEADERS *.hh *.inc)
 install(FILES ${DUMUX_PORENETWORK_HEADERS}

dumux/porenetwork/util/CMakeLists.txt

+# SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
+# SPDX-License-Identifier: GPL-3.0-or-later