Unable to add OctopusKit as dependency from develop branch.

[pradeeproark]

Category: 'Import Failure'

Describe the bug
When following the instructions in the QuickStart README here -> https://github.com/InvadingOctopus/octopuskit/blob/master/QuickStart/README%20QuickStart.md the 2nd step fails when adding a dependency to the develop branch

To Reproduce
Steps to reproduce the behavior:

1. Start with a new 'SwiftUI' single page application project as suggested in the README.
2. Add a swift package dependency and specify this repository. https://github.com/InvadingOctopus/octopuskit
3. Click next and select 'Develop' branch for version.
4. Click next
5. See error

Expected behavior
Proceed to add OctopusKit dependency to project.

Screenshots

Build Environment (what you're developing on)
- OctopusKit Version: 'develop'
- macOS Version: '10.15.6'
- Xcode Version: 'Xcode-12 beta 6 (12A8189n)'
- Swift Version: '5.3'

Target Device (what you're compiling for)
- Device: 'AppleTV Simulator'
- Target OS Version: 'tvOS'

Additional context
The issue appears to be the deprecated MacOS flag in the manifest now that BigSur has been released.