feat(playground): add collaboration (#1717) #1270

Job	Run time
fbs-core.api / DB Migration Validation	3s
API Docs Validation	12s
Gradle Wrapper Validation	6s
fbs-eat / Lint	21s
fbs-eat / Test	25s
fbs-sql-checker / Lint	23s
fbs-sql-checker / Test	29s
Build Docker images	0s
fbs-core.api / Lint	3m 1s
fbs-core.api / Test	4m 53s
fbs-core.web / Lint	3m 39s
fbs-core.web / Test	2m 36s
fbs-runner.checker / Lint	2m 59s
fbs-runner.checker / Test	3m 18s
	22m 25s

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