Update CREDITS file

See https://github.com/FreshRSS/FreshRSS/pull/766

CREDITS

@@ -18,6 +18,9 @@ https://github.com/Alwaysin
 Amaury Carrade
 https://github.com/AmauryCarrade
 
+ealdraed
+https://github.com/ealdraed
+
 Luc Didry
 https://github.com/ldidry