Add Banuba Video Editor SDK

[GlebPBanuba]

Thanks for your contribution! This is a template that can make it easier when submitting your contribution:

Your Project: Video Editor SDK
Project URL: https://github.com/Banuba/ve-sdk-ios-integration-sample
Category: Media, Video Processing, AR
Description: Video Editor SDK is a fully-functional video editor that can be integrated into an app in minutes, designed to create exciting social media content with a wide range of effects and filters for professional-quality videos on phones.

Inclusion requirements:

• [x] Has 50 GitHub stargazers or more
• [x] Only one project/change is in this pull request
• [x] Isn't an archived project
• [x] Has more than one contributor
• [ ] Has unit tests, integration tests or UI tests
• [ ] Addition in alphabetical order (bottom of category)
• [x] Supports iOS 12 / tvOS 10 or later
• [x] Supports Swift 4 or later
• [x] Has a commit from less than 2 years ago
• [x] Has a clear README in English

:heart: Awesome iOS Contributors

[vsouza]

Hi @GlebPBanuba thanks for contributing. This project cannot be merged because is a paid sdk. Please check our https://github.com/vsouza/awesome-ios/blob/master/.github/CONTRIBUTING.md . Thank you.