Function isUserInTeam

isUserInTeam(team: Team, user_id: string): Promise<boolean>
Checks if a user is in a team.
Parameters
- team: Team
  Team object.
- user_id: string
  The ID of the user.
Returns Promise<boolean>
Returns true if the user is in a team, false otherwise.
- Defined in src/lib/server/teamService.ts:202