Some code cleaning up and refactoring.

app/Repositories/User/UserRepositoryInterface.php

@@ -22,11 +22,15 @@ use Illuminate\Support\Collection;
 interface UserRepositoryInterface
 {
     /**
+     * Returns a collection of all users.
+     *
      * @return Collection
      */
     public function all(): Collection;
 
     /**
+     * Gives a user a role.
+     *
      * @param User   $user
      * @param string $role
      *
@@ -35,6 +39,8 @@ interface UserRepositoryInterface
     public function attachRole(User $user, string $role): bool;
 
     /**
+     * Returns a count of all users.
+     * 
      * @return int
      */
     public function count(): int;