Side Menu latest version issue

[imnaina11]

New Issue Checklist

I have read the guidelines for contributing and I understand:

• [ X] My issue is happening in the latest version of SideMenu.
• My issue was not solved in the README.
• My issue can not be answered on stackoverflow.com.
• My issue is not a request for new functionality that I am unwilling to build and contribute with a pull request.
• My issue is reproducible in the demo project.

Issue Description

As mentioned in read me that 6. 0 version works in swift 5 , but it. doesn't work, in fact 5.0.3 works with the Swift 5.

Also, What is not working is , it doen't open the side menu only if i use 6.5.0 in Swift 5, Xcode 12.4
Please check from your end.
And thank you so much for the awesome code.