[WEB] Add group creation and registration fuctionality #1184

Job	Run time
API Docs Validation	10s
Gradle Wrapper Validation	5s
fbs-core.api / DB Migration Validation	2s
fbs-eat / Lint	45s
fbs-eat / Test	22s
fbs-sql-checker / Lint	34s
fbs-sql-checker / Test	23s
Build Docker images	3s
fbs-core.web / Test	2m 28s
fbs-core.web / Lint	1m 22s
fbs-runner.checker / Lint	35s
fbs-core.api / Lint	52s
fbs-core.api / Test	2m 33s
fbs-runner.checker / Test	57s
	11m 11s

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