update login endpoints

Discovery/Web-Content/Logins.fuzz.txt

@@ -8,6 +8,8 @@
 /admin.py
 /admin.rb
 /admin
+/admin-login
+/admin-login/
 /admin/
 /administrator
 /administrator/
@@ -55,6 +57,8 @@
 /logon.pl
 /logon.py
 /logon.rb
+/signin
+/signin/
 /signin.php?ret=
 /typo3
 /typo3/