AutoPause wot NDevTK

Improve focus by temporally pausing overlapping background media or pausing media while its not active.

Optional permissions are used so you can control what websites get paused.

Features:
- Disable automatic resume or limit resume to the active and marked tabs
- Pause media on tab change
- Pause media on device lock
- No permission mode, discards tabs when needed.

Code can be viewed at https://github.com/NDevTK/AutoPause under the MIT license.