About your script (didn't get to see it) but your main selling point here is MEAN stack. You are going about it all wrong. You are not selling script to developers. The end users of your script don't care if its written in Js, PHP, Java or anything else. Maybe focus more on features that are key selling points of your script
Here are all coming for selling their products. Maybe you cannot check our site clearly.
These are the features we are given to the clients
First Function component is Traders Features
1. Trading Chart
2. Trade Match Engine
3. Escrow Services
4. Enhance the buy and sell system
5. Wallet integration(multi-sig)
6. Crypto & fiat payment gateway integration
7. High level of liquidity
8. Suit with different order type ( market, limit, stop, buy stop, copy, p2p, OTC )
9. Margin Trading and Lending System
Second Function Component is Security Features
1. HTTP authentication
2. Jail login
3. Encrypted user data & transaction data
4. CSRF protection
5. DDoS Protection
6. SSRF protection
7. 2FA
We are providing this features to build the bitcoin exchange platform with MEAN stack frameworks.