docs: Contribution information

2 files changed, 41 insertions, 2 deletions

diff --git a/README.md b/README.md
index 7fff645..6682965 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ yarn compile
 
 ## License
 
-> Copyright (C)  2021-2022 Sophie contributors
+> Copyright (C)  2021-2022 Kristóf Marussy <kristof@marussy.com>
 >
 > This program is free software: you can redistribute it and/or modify
 > it under the terms of the GNU Affero General Public License as
@@ -53,3 +53,42 @@ yarn compile
 > GNU Affero General Public License for more details.
 > You should have received a copy of the GNU Affero General Public License
 > along with this program.  If not, see <[https://www.gnu.org/licenses/](https://www.gnu.org/licenses/)>.
+
+## Contributing
+
+Contributors are welcome to add their contact information to the license headers of any files they edit, the license blocks in `config/buildConstants.js` and `README.md`, as well as the `"contributors"` array in `package.json`. Any patches send should have a `Signed-off-by:` line to clarify the copyright status of contributions according to the [Developer Certificate of Origin, Version 1.1](https://developercertificate.org/):
+
+> Developer Certificate of Origin
+> Version 1.1
+>
+> Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+>
+> Everyone is permitted to copy and distribute verbatim copies of this
+> license document, but changing it is not allowed.
+>
+>
+> Developer's Certificate of Origin 1.1
+>
+> By making a contribution to this project, I certify that:
+>
+> (a) The contribution was created in whole or in part by me and I
+>     have the right to submit it under the open source license
+>     indicated in the file; or
+>
+> (b) The contribution is based upon previous work that, to the best
+>     of my knowledge, is covered under an appropriate open source
+>     license and I have the right under that license to submit that
+>     work with modifications, whether created in whole or in part
+>     by me, under the same open source license (unless I am
+>     permitted to submit under a different license), as indicated
+>     in the file; or
+>
+> (c) The contribution was provided directly to me by some other
+>     person who certified (a), (b) or (c) and I have not modified
+>     it.
+>
+> (d) I understand and agree that this project and the contribution
+>     are public and that a record of the contribution (including all
+>     personal information I submit with it, including my sign-off) is
+>     maintained indefinitely and may be redistributed consistent with
+>     this project or the open source license(s) involved.
diff --git a/config/buildConstants.js b/config/buildConstants.js
index 4952907..90c1a2b 100644
--- a/config/buildConstants.js
+++ b/config/buildConstants.js
@@ -13,7 +13,7 @@ const { chrome: chromeVersion, node: nodeVersion } = JSON.parse(electronVendorsJ
 
 /** @type {string} */
 export const banner = `/*!
- * Copyright (C)  2021-2022 Sophie contributors
+ * Copyright (C)  2021-2022 Kristóf Marussy <kristof@marussy.com>
  *
  * This file is part of Sophie.
  *