Merge pull request #19 from thomasnares/UpdateReadme

Update README to link to recent documentation

README.md

@@ -14,7 +14,7 @@ Just make sure to follow our [contribution guidelines][contribution-guidelines].
 
 This module is released under the [Academic Free License 3.0][AFL-3.0] 
 
-[documentation]: https://devdocs.prestashop.com/1.7/modules/
-[prestashop]: https://www.prestashop.com/
-[contribution-guidelines]: https://devdocs.prestashop.com/1.7/contribute/contribution-guidelines/project-modules/
+[documentation]: https://devdocs.prestashop-project.org/8/modules/payment/
+[prestashop]: https://www.prestashop-project.org/
+[contribution-guidelines]: https://devdocs.prestashop-project.org/8/contribute/contribution-guidelines/project-modules/
 [AFL-3.0]: https://opensource.org/licenses/AFL-3.0