fix: add creation date upon user registration

internal/auth/client/client.go

@@ -8,6 +8,8 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"time"
+
 	"stereo.cat/backend/internal/auth"
 )
 
@@ -30,6 +32,7 @@ func New(redirectUri, clientId, clientSecret string) Client {
 func (c Client) GetUser(t auth.TokenResponse) (auth.User, error) {
     user := auth.User {
         Blacklisted: false,
+        CreatedAt: time.Now(),
     }
 
 	req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("%s/%s", api, "users/@me"), nil)