Fix the error of sequelize Cannot assign to read only property 'name'…

[itaimoorali]

Fix of Error

        model.name = model.name.charAt(0).toUpperCase() + model.name.slice(1).replace(/_(.)/g, function(match, char) {
                   ^

TypeError: Cannot assign to read only property 'name' of function 'class extends Model {}'
    at /home/taimurali/my-personal/maskers-test/app/models/index.js:30:20
    at Array.forEach (<anonymous>)
    at Object.<anonymous> (/home/taimurali/my-personal/maskers-test/app/models/index.js:28:6)
    at Module._compile (module.js:641:30)
    at Object.Module._extensions..js (module.js:652:10)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Module.require (module.js:585:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/home/taimurali/my-personal/maskers-test/index.js:27:14)
    at Module._compile (module.js:641:30)
    at Object.Module._extensions..js (module.js:652:10)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Module.require (module.js:585:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/home/taimurali/my-personal/maskers-test/server.js:3:11)
    at Module._compile (module.js:641:30)
    at Object.Module._extensions..js (module.js:652:10)
    at Module.load (module.js:560:32)