Add JRPC API, reworked Login and User pages

InternalAPI/twofactor.jrpc

@@ -0,0 +1,38 @@
+enum TFAType {
+   TOTP = 0,
+   BACKUP_CODE = 1,
+   WEBAUTHN = 2,
+   APP_ALLOW = 3
+}
+
+type TFAOption {
+   id: string;
+   name?: string;
+   expires?: int;
+   tfatype: TFAType;
+}
+
+type TFANewTOTP {
+   id: string;
+   secret: string;
+   qr: string;
+}
+
+type TFAWebAuthRegister {
+   id: string;
+   challenge: string;
+}
+
+service TFAService {
+   GetOptions(): TFAOption[];
+   Delete(id: string): void;
+
+   AddTOTP(name: string): TFANewTOTP;
+   VerifyTOTP(id: string, code: string): void;
+
+   AddWebauthn(name: string): TFAWebAuthRegister;
+   VerifyWebAuthn(id: string, registration_response: string): void;
+
+   AddBackupCodes(name:string): string[];
+   RemoveBackupCodes(id: string): void;
+}