Update changelog and add myself to contributors

CHANGELOG.md

@@ -9,6 +9,7 @@
 * Bug fixing
 	* PHP 7.1 compatibility for the API [#1584](https://github.com/FreshRSS/FreshRSS/issues/1584), [#1594](https://github.com/FreshRSS/FreshRSS/pull/1594)
 	* Fix API compatibility bug between PostgreSQL and EasyRSS [#1603](https://github.com/FreshRSS/FreshRSS/pull/1603)
+	* Fix PostgreSQL error when adding new entries [#1610](https://github.com/FreshRSS/FreshRSS/issues/1610), [#1613](https://github.com/FreshRSS/FreshRSS/pull/1613)
 * Misc.
 	* Allow longer database usernames [#1597](https://github.com/FreshRSS/FreshRSS/issues/1597)
 

CREDITS.md

@@ -6,6 +6,7 @@ People are sorted by name so please keep this order.
 
 ---
 
+* [Adrien Dorsaz](https://github.com/Trim): [contributions](https://github.com/FreshRSS/FreshRSS/commits?author=Trim), [Web](https://adorsaz.ch/)
 * [Alexandre Alapetite](https://github.com/Alkarex): [contributions](https://github.com/FreshRSS/FreshRSS/commits?author=Alkarex), [Web](http://alexandre.alapetite.fr/)
 * [Alexis Degrugillier](https://github.com/aledeg): [contributions](https://github.com/FreshRSS/FreshRSS/commits?author=aledeg)
 * [Alwaysin](https://github.com/Alwaysin): [contributions](https://github.com/FreshRSS/FreshRSS/commits?author=Alwaysin)