Delete src/core directory

Create qsn.js

Update identityUtils.js

Update IdentityService.js

Update IdentityController.js

Update nftUtils.js

Update NFTService.js

Update NFTController.js

Update iotService.js

Update blockchainService.js

Update apiService.js

Update analyticsService.js

Update syntheticAssets.js

Update stellarIntegration.js

Update governance.js