[WEB] Add group creation and registration fuctionality #1195

Job	Run time
fbs-core.api / DB Migration Validation	3s
API Docs Validation	8s
Gradle Wrapper Validation	7s
fbs-eat / Lint	41s
fbs-eat / Test	22s
fbs-sql-checker / Lint	30s
fbs-sql-checker / Test	20s
Build Docker images	4m 56s
fbs-core.web / Lint	1m 28s
fbs-core.api / Test	2m 32s
fbs-core.api / Lint	47s
fbs-core.web / Test	2m 40s
fbs-runner.checker / Lint	34s
fbs-runner.checker / Test	1m 1s
	16m 9s

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