Add DJI Drone Binary TXT

[zienzidan]

One line description of pull request

Add parser for Binary TXT files by DJI flight log TXT file

Description:

Adds a new parser to decrypt and parse .TXT log files generated by the DJI controller applications on Android and iOS platforms.

Notes:

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This makes sure that the code has appropriate test coverage and conforms to the
Plaso style guide.

One of the maintainers will examine your code, and may request changes. Check off the items below in
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Checklist:

• No new new dependencies are required or l2tdevtools has been updated.
• Test data has a Plaso compatible license. If the test data was not authored by you (the contributor), make sure to mention its orginal source in ACKNOWLEDGEMENTS.
• Reviewer assigned.
• Automated checks (GitHub Actions, AppVeyor) pass.