Sync tournament (issue #986)

[resu-xuniL]

• Synced Tournament metadata and docs
• Removed strict types comments from example.php and tournamentTest.php
• Added tournament to auto-sync.txt
• Added GitHub handle to config.json
• Added UUID and TestDox to tests
• Fixed example.php to pass new test unit
• Changed difficulty to 4
• Harmonised textdox (capitalise first word)

Had to modify example.php to pass new test cases from problem-specifications

Ref: #986

Closes #986

[github-actions]

This PR touches files which potentially affect the outcome of the tests of an exercise. This will cause all students' solutions to affected exercises to be re-tested.

If this PR does not affect the result of the test (or, for example, adds an edge case that is not worth rerunning all tests for), please add the following to the merge-commit message which will stops student's tests from re-running. Please copy-paste to avoid typos.

[no important files changed]

For more information, refer to the documentation. If you are unsure whether to add the message or not, please ping @exercism/maintainers-admin in a comment. Thank you!

[mk-mxp]

This breaks a great amount of community solutions (at least for the PHP track): more than 4500! Anyways I think the test is not that unrealistic and it breaks the result formatting only.

Thanks for this!

[resu-xuniL]

Yes, need to pad a 2 digits score now. 4500+ breaks, include mine 😁