Inverse clips

[skycatminepokie]

Inverse field - exclude a section of a video instead of including it.

[skycatminepokie]

TODO:

• [x] Add configuration
• [x] Add Clip field
• [x] Fix usages
• [x] Add serialization
• [x] Add deserialization
• [x] Implement algorithm

[skycatminepokie]

Closed in v0.4.0