feat: hash admin's password before creation

internal/user/admin.go

@@ -2,10 +2,12 @@ package user
 
 import (
 	"context"
+	"fmt"
 	"log"
 	"os"
 
 	"gitea.local/admin/hspguard/internal/repository"
+	"gitea.local/admin/hspguard/internal/util"
 	"github.com/google/uuid"
 )
 
@@ -35,10 +37,16 @@ func EnsureAdminUser(ctx context.Context, repo *repository.Queries) {
 }
 
 func createAdmin(ctx context.Context, name, email, password string, repo *repository.Queries) (uuid.UUID, error) {
+	hash, err := util.HashPassword(password)
+	if err != nil {
+		var id uuid.UUID
+		return id, fmt.Errorf("failed to hash the admin password")
+	}
+
 	return repo.InsertUser(ctx, repository.InsertUserParams{
 		FullName:     name,
 		Email:        email,
-		PasswordHash: password,
+		PasswordHash: hash,
 		IsAdmin:      true,
 	})
 }