fix: SAML metadata API

Author: sattvikc

src/main/java/io/supertokens/webserver/Webserver.java

@@ -136,6 +136,7 @@
 import io.supertokens.webserver.api.saml.LegacyUserinfoAPI;
 import io.supertokens.webserver.api.saml.ListSamlClientsAPI;
 import io.supertokens.webserver.api.saml.RemoveSamlClientAPI;
+import io.supertokens.webserver.api.saml.SPMetadataAPI;
 import io.supertokens.webserver.api.session.HandshakeAPI;
 import io.supertokens.webserver.api.session.JWTDataAPI;
 import io.supertokens.webserver.api.session.RefreshSessionAPI;
@@ -435,6 +436,7 @@ private void setupRoutes() {
         addAPI(new LegacyCallbackAPI(main));
         addAPI(new LegacyTokenAPI(main));
         addAPI(new LegacyUserinfoAPI(main));
+        addAPI(new SPMetadataAPI(main));
 
         //webauthn
         addAPI(new OptionsRegisterAPI(main));