[WEB] Add group creation and registration fuctionality #1192

Job	Run time
API Docs Validation	10s
Gradle Wrapper Validation	3s
fbs-core.api / DB Migration Validation	2s
fbs-eat / Lint	43s
fbs-eat / Test	34s
fbs-sql-checker / Lint	30s
fbs-sql-checker / Test	24s
fbs-runner.checker / Test	33s
fbs-runner.checker / Lint	29s
Build Docker images	4m 49s
fbs-core.web / Lint	1m 6s
fbs-core.web / Test	2m 31s
fbs-core.api / Lint	38s
fbs-core.api / Test	2m 22s
	14m 54s

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