net-p2p/jackett: Update to 0.10.733

While I'm here:

• Add LICENSE_FILE

Changelog:

• Lots of fixes to tracker definitions.
• Added some new tracker definitions.
• Removed some dead tracker definitions.

PR: 235642
Submitted by: Michiel van Baak (maintainer)
Approved by: miwi (mentor)
Differential Revision: https://reviews.freebsd.org/D19141