[reuse] Use REUSE.toml.

.reuse/dep5

-Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
-Upstream-Name: dumux-course
-Source: https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course
-
-Files: */*.input
-Copyright: DuMux-Course contributors, see AUTHORS.md in root folder
-License: GPL-3.0-or-later
-
-Files: *.md
-Copyright: DuMux-Course contributors, see AUTHORS.md in root folder
-License: CC-BY-4.0
-
-Files: *.pdf
-Copyright: DuMux-Course contributors, see AUTHORS.md in root folder
-License: CC-BY-4.0
-
-Files: .patches/*
-Copyright: DuMux-Course contributors, see AUTHORS.md in root folder
-License: CC0-1.0

REUSE.toml

+version = 1
+SPDX-PackageName = "dumux-course"
+SPDX-PackageDownloadLocation = "https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course"
+
+[[annotations]]
+path = "**/**.input"
+precedence = "aggregate"
+SPDX-FileCopyrightText = "DuMux-Course contributors, see AUTHORS.md in root folder"
+SPDX-License-Identifier = "GPL-3.0-or-later"
+
+[[annotations]]
+path = "**.md"
+precedence = "aggregate"
+SPDX-FileCopyrightText = "DuMux-Course contributors, see AUTHORS.md in root folder"
+SPDX-License-Identifier = "CC-BY-4.0"
+
+[[annotations]]
+path = "**.pdf"
+precedence = "aggregate"
+SPDX-FileCopyrightText = "DuMux-Course contributors, see AUTHORS.md in root folder"
+SPDX-License-Identifier = "CC-BY-4.0"
+
+[[annotations]]
+path = ".patches/**"
+precedence = "aggregate"
+SPDX-FileCopyrightText = "DuMux-Course contributors, see AUTHORS.md in root folder"
+SPDX-License-Identifier = "CC0-1.0"
+
+[[annotations]]
+path = "slides/img/*"
+SPDX-FileCopyrightText = "DuMux-Course contributors, see AUTHORS.md in root folder"
+SPDX-License-Identifier = "CC-BY-4.0"