Add Altahrïm as code owner for login routes and sharebymail app

Signed-off-by: Benjamin Gaussorgues <benjamin.gaussorgues@nextcloud.com>

.github/CODEOWNERS

@@ -18,6 +18,7 @@
 /apps/oauth2/appinfo/info.xml                 @julien-nc @ChristophWurst
 /apps/provisioning_api/appinfo/info.xml       @provokateurin @nickvergessen
 /apps/settings/appinfo/info.xml               @Pytal @JuliaKirschenheuter
+/apps/sharebymail/appinfo/info.xml            @Altahrim
 /apps/systemtags/appinfo/info.xml             @Antreesy @marcelklehr
 /apps/theming/appinfo/info.xml                @skjnldsv @juliushaertl
 /apps/twofactor_backupcodes/appinfo/info.xml  @st3iny @miaulalala @ChristophWurst
@@ -36,6 +37,10 @@
 /apps/twofactor_backupcodes         @ChristophWurst @miaulalala @nickvergessen @st3iny
 /core/templates/twofactor*          @ChristophWurst @miaulalala @nickvergessen @st3iny
 
+# Limit login to IP
+# Watch login routes for https://github.com/nextcloud/limit_login_to_ip
+/core/routes.php	@Altahrim
+
 # OpenAPI
 openapi.json            @provokateurin
 ResponseDefinitions.php @provokateurin