Added the ability to create groups

src/interfaces/user.ts

@@ -50,5 +50,12 @@ export interface Stat {
 	};
 }
 
+export interface Group {
+	admin: string;
+	name: string;
+	participants: string[];
+	id: string;
+}
+
 export type Type = "student" | "teacher" | "admin" | "owner" | "developer";
 export const userTypes: Type[] = ["student", "teacher", "admin", "owner", "developer"];