fix(tracking): enable performance

internal/pkg/config/resource.go

@@ -52,10 +52,10 @@ type Gallery struct {
 }
 
 type Umami struct {
-	ScriptSrc   string `env:"SCRIPT_SRC"`
-	RecorderSrc string `env:"RECORDER_SRC"`
-
-	WebsiteID string `env:"WEBSITE_ID"`
+	ScriptSrc          string `env:"SCRIPT_SRC"`
+	RecorderSrc        string `env:"RECORDER_SRC"`
+	WebsiteID          string `env:"WEBSITE_ID"`
+	PerformanceEnabled bool   `env:"PERFORMANCE_ENABLED`
 }
 
 func Read(ctx context.Context) (cfg Cfg, err error) {