feat: create an attestation id object

sdk/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@selfxyz/core",
-  "version": "1.1.0-beta.4",
+  "version": "1.1.0-beta.5",
   "repository": {
     "type": "git",
     "url": "https://github.com/selfxyz/self"

sdk/core/src/index.ts

@@ -1 +1,2 @@
 export { SelfBackendVerifier } from './SelfBackendVerifier.js';
+export { ATTESTATION_ID } from './utils/constants.js';

sdk/core/src/utils/constants.ts

@@ -1,5 +1,11 @@
 import { AttestationId } from 'src/types/types.js';
 
+export const ATTESTATION_ID = {
+  'PASSPORT': 1,
+  'BIOMETRIC_ID_CARD': 2,
+  'AADHAAR': 3,
+} as const;
+
 export const discloseIndices = {
   1: {
     revealedDataPackedIndex: 0,