qt

Add CONTRIBUTING.md file


Point potential contributors to contribute.qt-project.org.

While at it, clean up REUSE.toml a bit.

Change-Id: I4387d09dccb17b926c5d5e9c3315721e75b3ac9c
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
commitf341197cafaa1ddc81454256a9a7d5f8fbae00bc
parentf7d4eb48575a1b7ab2dc913cda9390e259123d70
authorKai Köhne <kai.koehne@qt.io>
committerKai Köhne <kai.koehne@qt.io>
commit timeTue, 21 Apr 2026 07:31:04 +0000