CODEOWNERS: add self as owner of xpay/askrene/renepay

Changelog-None

Signed-off-by: Lagrang3 <lagrang3@protonmail.com>

Author: Lagrang3

.github/CODEOWNERS

@@ -14,6 +14,9 @@ contrib/pyln-client/    @cdecker
 contrib/pyln-testing/   @cdecker
 # Needed to ensure hsmd wire compatibility between releases
 hsmd/hsmd_wire.csv      @cdecker @ksedgwic @devrandom
+plugins/xpay            @Lagrang3
+plugins/askrene         @Lagrang3
+plugins/renepay         @Lagrang3
 
 # See https://help.github.com/articles/about-codeowners/ for more
 # information