DOC: update copyrights and contact

CONTRIBUTING.md

 Contributors:
-- Rémi Cresson (remi.cresson@inrae.fr)
-- Nicolas Narçon (nicolas.narcon@inrae.fr)
-- Benjamin Commandre (benjamin.commandre@inrae.fr)
-- Raffaele Gaetano (raffaele.gaetano@cirad.fr)
+- Rémi Cresson (remi.cresson at inrae.fr)
+- Nicolas Narçon
+- Benjamin Commandre
+- Raffaele Gaetano

LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2020 INRAE
+   Copyright 2020-2023 INRAE
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

README.md

@@ -12,10 +12,12 @@ Representative illustrations:
 ## Cite
 
 ```
-@article{cresson2022clouds,
+@inproceedings{cresson2022comparison,
   title={Comparison of convolutional neural networks for cloudy optical images reconstruction from single or multitemporal joint SAR and optical images},
-  author={Cresson, R., Narcon, N., Gaetano, R., Dupuis A., Tanguy, Y., May, S., Commandre, B.},
-  journal={arXiv preprint arXiv:2204.00424},
+  author={Cresson, R{\'e}mi and Nar{\c{c}}on, N and Gaetano, Raffaele and Dupuis, Aurore and Tanguy, Yannick and May, St{\'e}phane and Commandr{\'e}, Benjamin},
+  booktitle={XXIV ISPRS Congress (2022 edition)},
+  volume={43},
+  pages={1317--1326},
   year={2022}
 }
 ```