Ignore link to Ada logo

It is currently failing for the checker, and it won't disappear unnoticed.

Author: mgrojo

.lycheeignore

@@ -4,3 +4,4 @@ https://r3fowwcolhrzycn2yzlzzw.on.drv.tw/
 https://stackoverflow.com/
 https://usenet.ada-lang.io/comp.lang.ada/
 https://wiki.osdev.org/
+https://github.com/ohenley/files/blob/master/awesome-ada/logo_ada_awesome.svg