Improve JS Modules Export

[TheBuggedYRN]

Description of the change

Old way:

cordova.plugins.moduleName.methodName();

New way:

// Using cordova.require (Recommended)
var ModuleName = cordova.require("instabug-cordova.ModuleName");

// Using window
var ModuleName = window.InstabugLib.ModuleName;

ModuleName.methodName();

Type of change

• [ ] Bug fix (non-breaking change that fixes an issue)
• [ ] New feature (non-breaking change that adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

• 84

Checklists

Development

• [x] Lint rules pass locally
• [x] The code changed/added as part of this pull request has been covered with tests

Code review

• [ ] This pull request has a descriptive title and information useful to a reviewer
• [ ] Issue from task tracker has a link to this pull request