Convert license statements to SPDX headers
Summary:
Convert license statements to SPDX markers and add license files
compatible with REUSE.software specification.
Reviewers: cgiboudeaux
Reviewed By: cgiboudeaux
Subscribers: cgiboudeaux, kde-frameworks-devel
Tags: Frameworks
Maniphest Tasks: T11550
Differential Revision: https://phabricator.kde.org/D27104