Add README for Tribler config #3557

Job	Run time
changes	5s
gatekeeper	7s
env	1s
ubuntu / build	5m 25s
mac / build	4m 57s
documentation / build	23s
windows / build	36s
coverage_draft / generate and upload	2m 6s
application_tester_draft / run (ubuntu-latest)	3m 31s
scripttest_draft / run	1m 15s
guitest_draft / run (windows-latest)	2m 32s
application_tester / run (windows-latest)	4m 57s
guitest / run (ubuntu-latest)	1m 31s
application_tester / run (macos-13)	3m 22s
pytest / run (windows-latest)	4m 32s
guitest / run (macos-13)	1m 49s
pytest / run (macos-13)	3m 44s
	40m 53s

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